dt-bindings: phy: phy-rockchip-inno-usb2: add rockchip,rk3128-usb2phy

Add rockchip,rk3128-usb2phy compatible string.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d477a077-a68f-e752-5192-807db80a9e68@gmail.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml

@@ -13,6 +13,7 @@ properties:
   compatible:
     enum:
       - rockchip,px30-usb2phy
+      - rockchip,rk3128-usb2phy
       - rockchip,rk3228-usb2phy
       - rockchip,rk3308-usb2phy
       - rockchip,rk3328-usb2phy