riscv: dts: canaan: add specific compatible for kd233's LCD

Add the recently introduced compatible for the LCD on the Canaan KD233.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220705215213.1802496-13-mail@conchuod.ieSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>

arch/riscv/boot/dts/canaan/canaan_kd233.dts

@@ -127,7 +127,7 @@ &spi0 {
 	cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
 
 	panel@0 {
-		compatible = "ilitek,ili9341";
+		compatible = "canaan,kd233-tft", "ilitek,ili9341";
 		reg = <0>;
 		dc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
 		spi-max-frequency = <10000000>;