arm64: dts: qcom: msm8998: Use the correct GPLL0 leg for GPUCC

GPUCC has its own GPLL0 leg, switch to it to allow shutting it down
when it's unused.

Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230622-topic-8998clk-v2-7-6222fbc2916b@linaro.org


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