scsi: pm8001: Fix warning for undescribed param in process_one_iomb()

make W=1 complains of an undescribed function parameter:

drivers/scsi/pm8001/pm80xx_hwi.c:3938: warning: Function parameter or member 'circularQ' not described in 'process_one_iomb'

Fix it.

Link: https://lore.kernel.org/r/[e-mail]
Reported-by: Damien Le Moal <[e-mail]>
Reviewed-by: Damien Le Moal <[e-mail]>
Acked-by: Jack Wang <[e-mail]>
Signed-off-by: John Garry <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/pm8001/pm80xx_hwi.c

···
 /**
  * process_one_iomb - process one outbound Queue memory block
  * @pm8001_ha: our hba card information
+ * @circularQ: outbound circular queue
  * @piomb: IO message buffer
  */
 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha,