dt-bindings: clock: rk3128: Add HCLK_SFC

Add a clock id for SFC's AHB clock.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240606143401.32454-5-knaerzche@gmail.com


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