dt-bindings: phy: rockchip-usbdp: add rk3576

Add compatible for the USBDP phy in the Rockchip RK3576 SoC.

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/20241014020342.15974-1-frawang.cn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: Frank Wang

Documentation/devicetree/bindings/phy/phy-rockchip-usbdp.yaml

@@ -13,6 +13,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - rockchip,rk3576-usbdp-phy
       - rockchip,rk3588-usbdp-phy
 
   reg: