drm/sun4i: Add driver support for A80 display pipeline

This patch adds support for the compatible strings of the A80 display
pipeline.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180315114136.24747-6-wens@csie.org

drivers/gpu/drm/sun4i/sun6i_drc.c

@@ -101,6 +101,7 @@ static const struct of_device_id sun6i_drc_of_table[] = {
 	{ .compatible = "allwinner,sun6i-a31-drc" },
 	{ .compatible = "allwinner,sun6i-a31s-drc" },
 	{ .compatible = "allwinner,sun8i-a33-drc" },
+	{ .compatible = "allwinner,sun9i-a80-drc" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sun6i_drc_of_table);