HID: wiimote: add Classic Controller extension

Add a new extension module for the classic controller so we get hotplug
support for this device. It is mostly the same as the old static classic
controller parser.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index 3414e4c..118520a 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -81,6 +81,7 @@
 	WIIMOTE_EXT_NONE,
 	WIIMOTE_EXT_UNKNOWN,
 	WIIMOTE_EXT_NUNCHUK,
+	WIIMOTE_EXT_CLASSIC_CONTROLLER,
 	WIIMOTE_EXT_BALANCE_BOARD,
 	WIIMOTE_EXT_NUM,
 };