dt-bindings: clock: Add GRF clock definition for RK3528
These clocks are for SD/SDIO tuning purpose and come with registers
in GRF syscon.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250506092206.46143-2-ziyao@disroot.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
authored by