[SCSI] scsi_dh_alua: Add Promise VTrak to dev list

Adds Promise VTrak devices to the ALUA device handler.

Signed-off-by: Ilgu Hong <ilgu.hong@promise.com>
Signed-off-by: Joseph Gruher <joseph.r.gruher@intel.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 9bd2c8a..c1fd09d 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -733,6 +733,7 @@
 	{"Intel", "Multi-Flex"},
 	{"NETAPP", "LUN"},
 	{"AIX", "NVDISK"},
+	{"Promise", "VTrak"},
 	{NULL, NULL}
 };