scsi: mpi3mr: Fix kernel-doc issues in mpi3mr_app.c

Fix all kernel-doc problems in mpi3mr_app.c:

mpi3mr_app.c:809: warning: Excess function parameter 'data' description in 'mpi3mr_set_trigger_data_in_hdb'
mpi3mr_app.c:836: warning: Excess function parameter 'data' description in 'mpi3mr_set_trigger_data_in_all_hdb'
mpi3mr_app.c:3395: warning: No description found for return value of 'sas_ncq_prio_supported_show'
mpi3mr_app.c:3413: warning: No description found for return value of 'sas_ncq_prio_enable_show'

Fixes: fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware and firmware buffers")
Fixes: d8d08d1638ce ("scsi: mpi3mr: Trigger support")
Fixes: 90e6f08915ec ("scsi: mpi3mr: Fix ATA NCQ priority support")
Signed-off-by: Randy Dunlap <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Cc: Sathya Prakash <[e-mail]>
Cc: Kashyap Desai <[e-mail]>
Cc: Sumit Saxena <[e-mail]>
Cc: Sreekanth Reddy <[e-mail]>
Cc: Ranjan Kumar <[e-mail]>
Cc: [e-mail]
Cc: Damien Le Moal <[e-mail]>
Cc: James E.J. Bottomley <[e-mail]>
Cc: Martin K. Petersen <[e-mail]>
Reviewed-by: Damien Le Moal <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/mpi3mr/mpi3mr_app.c

···
  *
  * @hdb: HDB pointer
  * @type: Trigger type
- * @data: Trigger data
- * @force: Trigger overwrite flag
  * @trigger_data: Pointer to trigger data information
+ * @force: Trigger overwrite flag
  *
  * Updates trigger type and trigger data based on parameter
  * passed to this function
···
  *
  * @mrioc: Adapter instance reference
  * @type: Trigger type
- * @data: Trigger data
- * @force: Trigger overwrite flag
  * @trigger_data: Pointer to trigger data information
+ * @force: Trigger overwrite flag
  *
  * Updates trigger type and trigger data based on parameter
  * passed to this function
···
  * @buf: the buffer returned
  *
  * A sysfs 'read-only' sdev attribute, only works with SATA devices
+ *
+ * Returns: the number of characters written to @buf
  */
 static ssize_t
 sas_ncq_prio_supported_show(struct device *dev,
···
  * @buf: the buffer returned
  *
  * A sysfs 'read/write' sdev attribute, only works with SATA devices
+ *
+ * Returns: the number of characters written to @buf
  */
 static ssize_t
 sas_ncq_prio_enable_show(struct device *dev,