arm64: dts: qcom: sm8450: Add missing RPMhPD OPP levels

We need more granularity for things like the GPU. Add the missing levels.

This unfortunately requires some re-indexing, resulting in an ugly diff.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230516005306.952821-1-konrad.dybcio@linaro.org