drm/sun4i: Add compatible for D1 display engine

Now that the various blocks in the D1 display engine pipeline are
supported, we can enable the overall engine.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220424162633.12369-15-samuel@sholland.org

drivers/gpu/drm/sun4i/sun4i_drv.c

@@ -418,6 +418,7 @@ static const struct of_device_id sun4i_drv_of_table[] = {
 	{ .compatible = "allwinner,sun8i-r40-display-engine" },
 	{ .compatible = "allwinner,sun8i-v3s-display-engine" },
 	{ .compatible = "allwinner,sun9i-a80-display-engine" },
+	{ .compatible = "allwinner,sun20i-d1-display-engine" },
 	{ .compatible = "allwinner,sun50i-a64-display-engine" },
 	{ .compatible = "allwinner,sun50i-h6-display-engine" },
 	{ }