dt-bindings: net: Add support for rk3576 dwmac

Add a rockchip,rk3576-gmac compatible for supporting the 2 gmac
devices on the rk3576.
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20240823141318.51201-3-detlev.casanova@collabora.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/devicetree/bindings/net/rockchip-dwmac.yaml

@@ -25,6 +25,7 @@ select:
           - rockchip,rk3368-gmac
           - rockchip,rk3399-gmac
           - rockchip,rk3568-gmac
+          - rockchip,rk3576-gmac
           - rockchip,rk3588-gmac
           - rockchip,rv1108-gmac
           - rockchip,rv1126-gmac
@@ -52,6 +53,7 @@ properties:
       - items:
           - enum:
               - rockchip,rk3568-gmac
+              - rockchip,rk3576-gmac
               - rockchip,rk3588-gmac
               - rockchip,rv1126-gmac
           - const: snps,dwmac-4.20a

Documentation/devicetree/bindings/net/snps,dwmac.yaml

@@ -80,6 +80,7 @@ properties:
         - rockchip,rk3328-gmac
         - rockchip,rk3366-gmac
         - rockchip,rk3368-gmac
+        - rockchip,rk3576-gmac
         - rockchip,rk3588-gmac
         - rockchip,rk3399-gmac
         - rockchip,rv1108-gmac