dt-bindings: arm: rockchip: Add binding for Rock960 board

Add devicetree binding for Rock960 board from Vamrs Limited.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.txt

@@ -5,6 +5,10 @@ Rockchip platforms device tree bindings
     Required root node properties:
       - compatible = "vamrs,ficus", "rockchip,rk3399";
 
+- 96boards RK3399 Rock960 (ROCK960 Consumer Edition)
+    Required root node properties:
+      - compatible = "vamrs,rock960", "rockchip,rk3399";
+
 - Amarula Vyasa RK3288 board
     Required root node properties:
       - compatible = "amarula,vyasa-rk3288", "rockchip,rk3288";