arm64: dts: qcom: sdm630: Add Adreno 508 GPU configuration

The SDM630 SoC features an Adreno 508.0 GPU with a minimum frequency
of 160MHz and a maximum of (depending on the speed-bin) 775MHz.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210728222542.54269-20-konrad.dybcio@somainline.org


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