clk: qcom: dispcc-sm8750: Add SM8750 Display clock controller

Add driver for Display clock controller (DISPCC) in Qualcomm SM8750.
The device has several differences against SM8650, including new Pongo
PLLs and different clock parents, thus no compatibility or driver
re-usage.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250106-sm8750-dispcc-v2-3-6f42beda6317@linaro.org


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