dt-bindings: clock: qcom-rpmhcc: Add RPMHCC for SM8750

Update the documentation for clock rpmh driver on SM8750 SoCs.

Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Link: https://lore.kernel.org/r/20241204-sm8750_master_clks-v3-1-1a8f31a53a86@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>