dt-bindings: arm: rockchip: Add 100ASK DShanPi A1

This documents 100ASK DShanPi A1 which is a SBC based on RK3576 SoC.

Link: https://wiki.dshanpi.org/en/docs/DshanPi-A1/intro/

Signed-off-by: Hsun Lai <i@chainsx.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/0601AB836AE5F348+20251014021623.286121-2-i@chainsx.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.yaml

@@ -15,6 +15,11 @@ properties:
   compatible:
     oneOf:
 
+      - description: 100ASK DshanPi A1 board
+        items:
+          - const: 100ask,dshanpi-a1
+          - const: rockchip,rk3576
+
       - description: 96boards RK3399 Ficus (ROCK960 Enterprise Edition)
         items:
           - const: vamrs,ficus