scsi: bnx2i: Add parameter description and rename another

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

 drivers/scsi/bnx2i/bnx2i_iscsi.c:1288: warning: Function parameter or member 'cmds_max' not described in 'bnx2i_session_create'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2176: warning: Function parameter or member 'params' not described in 'bnx2i_nl_set_path'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2176: warning: Excess function parameter 'buf' description in 'bnx2i_nl_set_path'

Link: https://lore.kernel.org/r/20200723122446.1329773-40-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bnx2i/bnx2i_iscsi.c

@@ -1276,6 +1276,7 @@ static int bnx2i_task_xmit(struct iscsi_task *task)
 /**
  * bnx2i_session_create - create a new iscsi session
  * @ep:		pointer to iscsi endpoint
+ * @cmds_max:		user specified maximum commands
  * @qdepth:		scsi queue depth to support
  * @initial_cmdsn:	initial iscsi CMDSN to be used for this session
  *
@@ -2170,7 +2171,7 @@ out:
 /**
  * bnx2i_nl_set_path - ISCSI_UEVENT_PATH_UPDATE user message handler
  * @shost:	scsi host pointer
- * @buf:	pointer to buffer containing iscsi path message
+ * @params:	pointer to buffer containing iscsi path message
  */
 static int bnx2i_nl_set_path(struct Scsi_Host *shost, struct iscsi_path *params)
 {