clk: qcom: Add GCC driver for SM8550

Add Global Clock controller (GCC) driver for SM8550 SoC,
which includes the gcc resets and gdsc.

This patch is based on an initial downstream driver.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221130112852.2977816-6-abel.vesa@linaro.org