HID: hid-multitouch: add one new multitouch device's VID/PID

This patch adds support for the CSR panel built by XAT.

Signed-off-by: Ice Chien <ice.chien@accupoint.com.tw>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index ecd4d2d..c0d1b15 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -699,6 +699,10 @@
 	{ .driver_data = MT_CLS_DEFAULT,
 		HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
 			USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
+	/* XAT */
+	{ .driver_data = MT_CLS_DEFAULT,
+		HID_USB_DEVICE(USB_VENDOR_ID_XAT,
+			USB_DEVICE_ID_XAT_CSR) },
 
 	{ }
 };