drm/rockchip: Add RGB compatible for rv1126

Add rgb support for rv1126.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Change-Id: I840b15753ace8b6710d8df1cd4e077597fc0c1c2

drivers/gpu/drm/rockchip/rockchip_rgb.c

@@ -426,6 +426,7 @@ static const struct of_device_id rockchip_rgb_dt_ids[] = {
 	{ .compatible = "rockchip,rk3308-rgb", },
 	{ .compatible = "rockchip,rk3368-rgb", },
 	{ .compatible = "rockchip,rv1108-rgb", },
+	{ .compatible = "rockchip,rv1126-rgb", },
 	{}
 };
 MODULE_DEVICE_TABLE(of, rockchip_rgb_dt_ids);