media: atomisp: fix casts at atomisp_compat_ioctl32.c

There are several warnings reported by sparse with regards to wrong
typecasts:

    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:     expected void *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:  warning: incorrect type in argument 2 (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:     expected void const *from
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:     got struct atomisp_3a_statistics [noderef] __user *kp
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:     expected void [noderef] __user *effective_width
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:     got unsigned int [usertype] *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:     expected void [noderef] __user *effective_width
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:     got unsigned int [usertype] *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:     expected struct v4l2_framebuffer *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:     expected void [noderef] __user *frame
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:     got struct v4l2_framebuffer *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:     expected unsigned short *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:     expected void [noderef] __user *calb_grp_values
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:     got unsigned short *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:     expected unsigned short [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:  warning: cast removes address space '__user' of expression
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:  warning: incorrect type in initializer (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:     expected struct <noident> [noderef] __user *karg
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:     got void *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:721:39:  warning: cast removes address space '__user' of expression
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:  warning: incorrect type in argument 1 (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:     expected void const volatile [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:     got unsigned int [usertype] *src
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:     expected void *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:     expected struct atomisp_shading_table *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:     got struct atomisp_shading_table [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:     expected struct atomisp_morph_table *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:     got struct atomisp_morph_table [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:     expected struct atomisp_dis_coefficients *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:     got struct atomisp_dis_coefficients [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:     expected struct atomisp_dvs_6axis_config *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:     got struct atomisp_dvs_6axis_config [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:     expected struct atomisp_sensor_ae_bracketing_lut_entry *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:     got void [noderef] __user *

Use the same strategies used at v4l2-compat32.c, in order to
solve them and avoid warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>