dt-bindings: arm: rockchip: Add EmbedFire LubanCat 1

Add devicetree binding documentation for the EmbedFire LubanCat 1.
Signed-off-by: Wenhao Cui <lasstp5011@gmail.com>
Signed-off-by: Yuteng Zhong <zonyitoo@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/Y6UdvrhLjS0/8Oic@VM-66-53-centosSigned-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.yaml

@@ -95,6 +95,11 @@ properties:
           - const: elgin,rv1108-r1
           - const: rockchip,rv1108
 
+      - description: EmbedFire LubanCat 1
+        items:
+          - const: embedfire,lubancat-1
+          - const: rockchip,rk3566
+
       - description: Engicam PX30.Core C.TOUCH 2.0
         items:
           - const: engicam,px30-core-ctouch2