scsi: qla2xxx: Change ha->wq max_active value to default

Update ha->wq max_active from 1 to default. MQ interrupts are queued up
via this work queue. This allows interrupts to be process in parrallel,
instead of serialized by the work queue.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -3170,7 +3170,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (ha->mqenable) {
 		bool mq = false;
 		bool startit = false;
-		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
+		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
 
 		if (QLA_TGT_MODE_ENABLED()) {
 			mq = true;