scsi: lpfc: lpfc_nvmet: Fix-up some formatting and doc-rot issues

scsi: lpfc: lpfc_nvmet: Fix-up some formatting and doc-rot issues

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

 drivers/scsi/lpfc/lpfc_nvmet.c:386: warning: Function parameter or member 'ctx_buf' not described in 'lpfc_nvmet_ctxbuf_post'
 drivers/scsi/lpfc/lpfc_nvmet.c:386: warning: Excess function parameter 'ctxp' description in 'lpfc_nvmet_ctxbuf_post'
 drivers/scsi/lpfc/lpfc_nvmet.c:386: warning: Excess function parameter 'mp' description in 'lpfc_nvmet_ctxbuf_post'
 drivers/scsi/lpfc/lpfc_nvmet.c:1310: warning: Function parameter or member 'targetport' not described in 'lpfc_nvmet_ls_req'
 drivers/scsi/lpfc/lpfc_nvmet.c:1310: warning: Function parameter or member 'hosthandle' not described in 'lpfc_nvmet_ls_req'
 drivers/scsi/lpfc/lpfc_nvmet.c:1310: warning: Function parameter or member 'pnvme_lsreq' not described in 'lpfc_nvmet_ls_req'
 drivers/scsi/lpfc/lpfc_nvmet.c:1350: warning: Function parameter or member 'hosthandle' not described in 'lpfc_nvmet_ls_abort'
 drivers/scsi/lpfc/lpfc_nvmet.c:1350: warning: Function parameter or member 'pnvme_lsreq' not described in 'lpfc_nvmet_ls_abort'
 drivers/scsi/lpfc/lpfc_nvmet.c:3607: warning: Function parameter or member 'phba' not described in 'lpfc_nvmet_invalidate_host'
 drivers/scsi/lpfc/lpfc_nvmet.c:3607: warning: Function parameter or member 'ndlp' not described in 'lpfc_nvmet_invalidate_host'

Link: https://lore.kernel.org/r/20201102142359.561122-15-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>