HID: rmi: Support the Fujitsu R726 Pad dock using hid-rmi

The Fujitsu R726 Pad has an optional USB keyboard dock which contains
a Synaptics touchpad. The dock identifies itself as a
Primax Rezel Tablet Keyboard.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 5da3d62..93452a1 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1156,6 +1156,7 @@
 #define USB_VENDOR_ID_PRIMAX	0x0461
 #define USB_DEVICE_ID_PRIMAX_MOUSE_4D22	0x4d22
 #define USB_DEVICE_ID_PRIMAX_KEYBOARD	0x4e05
+#define USB_DEVICE_ID_PRIMAX_REZEL	0x4e72
 
 
 #define USB_VENDOR_ID_RISO_KAGAKU	0x1294	/* Riso Kagaku Corp. */