dt-bindings: soc: rockchip: add rk3588 vop/vo syscon

Add VOP and VO GRF syscon compatibles for RK3588
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231211115836.1785248-1-andyshrk@163.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/soc/rockchip/grf.yaml

@@ -28,6 +28,8 @@ properties:
               - rockchip,rk3588-sys-grf
               - rockchip,rk3588-pcie3-phy-grf
               - rockchip,rk3588-pcie3-pipe-grf
+              - rockchip,rk3588-vo-grf
+              - rockchip,rk3588-vop-grf
               - rockchip,rv1108-usbgrf
           - const: syscon
       - items: