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.de


Signed-off-by: Heiko Stuebner <heiko@sntech.de>