scsi: lpfc: lpfc_bsg: Provide correct documentation for a bunch of functions

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

 drivers/scsi/lpfc/lpfc_bsg.c:917: warning: Function parameter or member 'phba' not described in 'lpfc_bsg_ct_unsol_event'
 drivers/scsi/lpfc/lpfc_bsg.c:917: warning: Function parameter or member 'pring' not described in 'lpfc_bsg_ct_unsol_event'
 drivers/scsi/lpfc/lpfc_bsg.c:1484: warning: Function parameter or member 'cmp' not described in 'lpfc_issue_ct_rsp'
 drivers/scsi/lpfc/lpfc_bsg.c:3900: warning: Function parameter or member 'job' not described in 'lpfc_bsg_sli_cfg_read_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:3900: warning: Function parameter or member 'dmabuf' not described in 'lpfc_bsg_sli_cfg_read_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:3900: warning: Excess function parameter 'mb' description in 'lpfc_bsg_sli_cfg_read_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:3900: warning: Excess function parameter 'dmabuff' description in 'lpfc_bsg_sli_cfg_read_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4088: warning: Function parameter or member 'job' not described in 'lpfc_bsg_sli_cfg_write_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4088: warning: Function parameter or member 'nemb_tp' not described in 'lpfc_bsg_sli_cfg_write_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4088: warning: Function parameter or member 'dmabuf' not described in 'lpfc_bsg_sli_cfg_write_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4088: warning: Excess function parameter 'mb' description in 'lpfc_bsg_sli_cfg_write_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4088: warning: Excess function parameter 'dmabuff' description in 'lpfc_bsg_sli_cfg_write_cmd_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4254: warning: Function parameter or member 'job' not described in 'lpfc_bsg_handle_sli_cfg_mbox'
 drivers/scsi/lpfc/lpfc_bsg.c:4254: warning: Function parameter or member 'dmabuf' not described in 'lpfc_bsg_handle_sli_cfg_mbox'
 drivers/scsi/lpfc/lpfc_bsg.c:4254: warning: Excess function parameter 'mb' description in 'lpfc_bsg_handle_sli_cfg_mbox'
 drivers/scsi/lpfc/lpfc_bsg.c:4254: warning: Excess function parameter 'dmabuff' description in 'lpfc_bsg_handle_sli_cfg_mbox'
 drivers/scsi/lpfc/lpfc_bsg.c:4403: warning: Function parameter or member 'job' not described in 'lpfc_bsg_read_ebuf_get'
 drivers/scsi/lpfc/lpfc_bsg.c:4403: warning: Excess function parameter 'dmabuf' description in 'lpfc_bsg_read_ebuf_get'
 drivers/scsi/lpfc/lpfc_bsg.c:4474: warning: Function parameter or member 'job' not described in 'lpfc_bsg_write_ebuf_set'
 drivers/scsi/lpfc/lpfc_bsg.c:4600: warning: Function parameter or member 'job' not described in 'lpfc_bsg_handle_sli_cfg_ebuf'
 drivers/scsi/lpfc/lpfc_bsg.c:4600: warning: Function parameter or member 'dmabuf' not described in 'lpfc_bsg_handle_sli_cfg_ebuf'
 drivers/scsi/lpfc/lpfc_bsg.c:4600: warning: Excess function parameter 'mb' description in 'lpfc_bsg_handle_sli_cfg_ebuf'
 drivers/scsi/lpfc/lpfc_bsg.c:4600: warning: Excess function parameter 'dmabuff' description in 'lpfc_bsg_handle_sli_cfg_ebuf'
 drivers/scsi/lpfc/lpfc_bsg.c:4645: warning: Function parameter or member 'job' not described in 'lpfc_bsg_handle_sli_cfg_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4645: warning: Function parameter or member 'dmabuf' not described in 'lpfc_bsg_handle_sli_cfg_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4645: warning: Excess function parameter 'mb' description in 'lpfc_bsg_handle_sli_cfg_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4645: warning: Excess function parameter 'dmabuff' description in 'lpfc_bsg_handle_sli_cfg_ext'
 drivers/scsi/lpfc/lpfc_bsg.c:4723: warning: Function parameter or member 'job' not described in 'lpfc_bsg_issue_mbox'
 drivers/scsi/lpfc/lpfc_bsg.c:4723: warning: Excess function parameter 'mb' description in 'lpfc_bsg_issue_mbox'

Link: https://lore.kernel.org/r/20201102142359.561122-8-lee.jones@linaro.org


Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>