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

 drivers/soc/fsl/dpio/qbman-portal.c:430: warning: Function parameter or member 'inhibit' not described in 'qbman_swp_interrupt_set_inhibit'
 drivers/soc/fsl/dpio/qbman-portal.c:430: warning: Excess function parameter 'mask' description in 'qbman_swp_interrupt_set_inhibit'
 drivers/soc/fsl/dpio/qbman-portal.c:518: warning: Function parameter or member 'd' not described in 'qbman_eq_desc_clear'
 drivers/soc/fsl/dpio/qbman-portal.c:529: warning: Function parameter or member 'respond_success' not described in 'qbman_eq_desc_set_no_orp'
 drivers/soc/fsl/dpio/qbman-portal.c:529: warning: Excess function parameter 'response_success' description in 'qbman_eq_desc_set_no_orp'
 drivers/soc/fsl/dpio/qbman-portal.c:941: warning: Function parameter or member 's' not described in 'qbman_swp_push_get'
 drivers/soc/fsl/dpio/qbman-portal.c:941: warning: Excess function parameter 'p' description in 'qbman_swp_push_get'
 drivers/soc/fsl/dpio/qbman-portal.c:955: warning: Function parameter or member 's' not described in 'qbman_swp_push_set'
 drivers/soc/fsl/dpio/qbman-portal.c:955: warning: Excess function parameter 'p' description in 'qbman_swp_push_set'
 drivers/soc/fsl/dpio/qbman-portal.c:1052: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_fq'
 drivers/soc/fsl/dpio/qbman-portal.c:1065: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_wq'
 drivers/soc/fsl/dpio/qbman-portal.c:1079: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_channel'
 drivers/soc/fsl/dpio/qbman-portal.c:1403: warning: Function parameter or member 'd' not described in 'qbman_release_desc_clear'
 drivers/soc/fsl/dpio/qbman-portal.c:1412: warning: Function parameter or member 'd' not described in 'qbman_release_desc_set_bpid'
 drivers/soc/fsl/dpio/qbman-portal.c:1412: warning: Function parameter or member 'bpid' not described in 'qbman_release_desc_set_bpid'
 drivers/soc/fsl/dpio/qbman-portal.c:1421: warning: Function parameter or member 'd' not described in 'qbman_release_desc_set_rcdi'
 drivers/soc/fsl/dpio/qbman-portal.c:1421: warning: Function parameter or member 'enable' not described in 'qbman_release_desc_set_rcdi'

Cc: Roy Pledge <Roy.Pledge@nxp.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>