HID: lenovo: Add support for Compact (BT|USB) keyboard

Add support for both ThinkPad Compact Bluetooth Keyboard with
TrackPoint and ThinkPad Compact USB Keyboard with TrackPoint.

Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Reviewed-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 77632cf..fca74f1 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -167,6 +167,7 @@
 #define HID_UP_MSVENDOR		0xff000000
 #define HID_UP_CUSTOM		0x00ff0000
 #define HID_UP_LOGIVENDOR	0xffbc0000
+#define HID_UP_LNVENDOR		0xffa00000
 #define HID_UP_SENSOR		0x00200000
 
 #define HID_USAGE		0x0000ffff