drm: add hotspot cursor interface support.

Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/xf86drmMode.h b/xf86drmMode.h
index 8e40034..f8a817c 100644
--- a/xf86drmMode.h
+++ b/xf86drmMode.h
@@ -378,6 +378,7 @@
  */
 int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height);
 
+int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y);
 /**
  * Move the cursor on crtc
  */