dt-bindings: soc: grf: add pcie30-{phy,pipe}-grf

Add compatibles for PCIe v3 General Register Files.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220825193836.54262-3-linux@fw-web.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

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

@@ -16,9 +16,12 @@ properties:
           - enum:
               - rockchip,rk3288-sgrf
               - rockchip,rk3566-pipe-grf
+              - rockchip,rk3568-pcie3-phy-grf
               - rockchip,rk3568-pipe-grf
               - rockchip,rk3568-pipe-phy-grf
               - rockchip,rk3568-usb2phy-grf
+              - rockchip,rk3588-pcie3-phy-grf
+              - rockchip,rk3588-pcie3-pipe-grf
               - rockchip,rv1108-usbgrf
           - const: syscon
       - items: