arm64: dts: allwinner: pinetab: Fix the panel compatible

The commit 7fa40ca7 ("arm64: allwinner: dts: a64: add DT for Early
Adopter's PineTab") introduced an ili9881-based panel device node but
didn't conform to the binding. Fix this.

Fixes: 7fa40ca7 ("arm64: allwinner: dts: a64: add DT for Early Adopter's PineTab")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210114113538.1233933-18-maxime@cerno.tech

arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab-early-adopter.dts

@@ -17,7 +17,7 @@ &dsi {
 	/delete-node/ panel@0;
 
 	panel@0 {
-		compatible = "feixin,k101-im2byl02";
+		compatible = "feixin,k101-im2byl02", "ilitek,ili9881c";
 		reg = <0>;
 		power-supply = <&reg_dc1sw>;
 		reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */