scsi: megaraid_sas: Use synchronize_irq in target reset case

Similar to task abort case, use synchronize_irq API in target reset
case.  Also, remove redundant call to megasas_complete_cmd_dpc_fusion
after calling megasas_sync_irqs in task abort case.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/megaraid/megaraid_sas_fusion.c

@@ -3832,8 +3832,6 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
 		else {
 			instance->instancet->disable_intr(instance);
 			megasas_sync_irqs((unsigned long)instance);
-			megasas_complete_cmd_dpc_fusion
-					((unsigned long)instance);
 			instance->instancet->enable_intr(instance);
 			if (scsi_lookup->scmd == NULL)
 				break;
@@ -3845,9 +3843,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
 		if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF))
 			break;
 		instance->instancet->disable_intr(instance);
-		msleep(1000);
-		megasas_complete_cmd_dpc_fusion
-				((unsigned long)instance);
+		megasas_sync_irqs((unsigned long)instance);
 		rc = megasas_track_scsiio(instance, id, channel);
 		instance->instancet->enable_intr(instance);