usb: host: ehci-fsl: Fix incorrectly named function argument

Fixes the following W=1 kernel build warning(s):

 drivers/usb/host/ehci-fsl.c:694: warning: Function parameter or member 'pdev' not described in 'fsl_ehci_drv_remove'
 drivers/usb/host/ehci-fsl.c:694: warning: Excess function parameter 'dev' description in 'fsl_ehci_drv_remove'

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Randy Vinson <rvinson@mvista.com>
Cc: Dave Liu <daveliu@freescale.com>
Cc: Jerry Huang <Chang-Ming.Huang@freescale.com>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200706133341.476881-18-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-fsl.c

@@ -683,7 +683,7 @@ static const struct ehci_driver_overrides ehci_fsl_overrides __initconst = {
 
 /**
  * fsl_ehci_drv_remove - shutdown processing for FSL-based HCDs
- * @dev: USB Host Controller being removed
+ * @pdev: USB Host Controller being removed
  * Context: !in_interrupt()
  *
  * Reverses the effect of usb_hcd_fsl_probe().