clk: qcom: add the GPUCC driver for sa8775p

Add the clock driver for the Qualcomm Graphics Clock control module.

Signed-off-by: Shazad Hussain <quic_shazhuss@quicinc.com>
[Bartosz: make ready for upstream]
Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230411125910.401075-3-brgl@bgdev.pl