drm: Add more standard TV properties.

Overscan, saturation, hue. Used in the nouveau driver for GPUs with
integrated TV encoders.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 5f2cc0c..db92a83 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -575,6 +575,9 @@
 	struct drm_property *tv_brightness_property;
 	struct drm_property *tv_contrast_property;
 	struct drm_property *tv_flicker_reduction_property;
+	struct drm_property *tv_overscan_property;
+	struct drm_property *tv_saturation_property;
+	struct drm_property *tv_hue_property;
 
 	/* Optional properties */
 	struct drm_property *scaling_mode_property;