drm/ttm: Add more driver type enums

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/ttm/ttm_object.h b/include/drm/ttm/ttm_object.h
index 703ca4d..0d9db09 100644
--- a/include/drm/ttm/ttm_object.h
+++ b/include/drm/ttm/ttm_object.h
@@ -77,7 +77,11 @@
 	ttm_buffer_type,
 	ttm_lock_type,
 	ttm_driver_type0 = 256,
-	ttm_driver_type1
+	ttm_driver_type1,
+	ttm_driver_type2,
+	ttm_driver_type3,
+	ttm_driver_type4,
+	ttm_driver_type5
 };
 
 struct ttm_object_file;