clk: qcom: gpucc-sm8350: Park RCG's clk source at XO during disable

The RCG's clk src has to be parked at XO while disabling as per the
HW recommendation, hence use clk_rcg2_shared_ops to achieve the same.

Fixes: 160758b0 ("clk: qcom: add support for SM8350 GPUCC")
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # SM8350-HDK
Link: https://lore.kernel.org/r/20240621-sm8350-gpucc-fixes-v1-1-22db60c7c5d3@quicinc.com


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