ARM: dts: qcom-msm8974*: Consolidate I2C/UART/SDHCI

Clean up and commonize (where possible and it makes sense to) I2C, UART
and SDHCI nodes and pin configurations.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220415115633.575010-20-konrad.dybcio@somainline.org