scsi: lpfc: Fix a few incorrectly named functions

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

 drivers/scsi/lpfc/lpfc_bsg.c:3591: warning: expecting prototype for lpfc_bsg_mbox_ext_cleanup(). Prototype was for lpfc_bsg_mbox_ext_session_reset() instead
 drivers/scsi/lpfc/lpfc_bsg.c:3885: warning: expecting prototype for lpfc_bsg_sli_cfg_mse_read_cmd_ext(). Prototype was for lpfc_bsg_sli_cfg_read_cmd_ext() instead
 drivers/scsi/lpfc/lpfc_bsg.c:4371: warning: expecting prototype for lpfc_bsg_mbox_ext_abort_req(). Prototype was for lpfc_bsg_mbox_ext_abort() instead

Link: https://lore.kernel.org/r/20210312094738.2207817-14-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_bsg.c

@@ -3580,7 +3580,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_bsg_mbox_ext_cleanup - clean up context of multi-buffer mbox session
+ * lpfc_bsg_mbox_ext_session_reset - clean up context of multi-buffer mbox session
  * @phba: Pointer to HBA context object.
  *
  * This is routine clean up and reset BSG handling of multi-buffer mbox
@@ -3869,7 +3869,7 @@ lpfc_bsg_sli_cfg_dma_desc_setup(struct lpfc_hba *phba, enum nemb_type nemb_tp,
 }
 
 /**
- * lpfc_bsg_sli_cfg_mse_read_cmd_ext - sli_config non-embedded mailbox cmd read
+ * lpfc_bsg_sli_cfg_read_cmd_ext - sli_config non-embedded mailbox cmd read
  * @phba: Pointer to HBA context object.
  * @job: Pointer to the job object.
  * @nemb_tp: Enumerate of non-embedded mailbox command type.
@@ -4360,7 +4360,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct bsg_job *job,
 }
 
 /**
- * lpfc_bsg_mbox_ext_abort_req - request to abort mbox command with ext buffers
+ * lpfc_bsg_mbox_ext_abort - request to abort mbox command with ext buffers
  * @phba: Pointer to HBA context object.
  *
  * This routine is for requesting to abort a pass-through mailbox command with