arm64: dts: qcom: msm8998: Merge in msm8998-pins.dtsi to msm8998.dtsi

This is the usual way of handling pin configuration upstream now, so
align to it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210109163001.146867-2-konrad.dybcio@somainline.org


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