clk: qcom: gpucc-sm8550: Add support for graphics clock controller

Add support for gpucc driver on SM8550, which provides clocks for the
graphics subsystem.

Co-developed-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524181800.28717-3-quic_jkona@quicinc.com