Input: psmouse - add support for IBM TrackPoint devices.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 86691cf..e312a6b 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -78,6 +78,7 @@
 	PSMOUSE_SYNAPTICS,
 	PSMOUSE_ALPS,
 	PSMOUSE_LIFEBOOK,
+	PSMOUSE_TRACKPOINT,
 	PSMOUSE_AUTO		/* This one should always be last */
 };