arm64: dts: qcom: sc7180: Move sdc pinconf to board specific DT files

Move sdc1/sdc2 pinconf from SoC specific DT file to board specific DT
files

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sujit Kautkar <sujitka@chromium.org>
Link: https://lore.kernel.org/r/20210602121313.v3.1.Ia83c80aec3b9535f01441247b6c3fb6f80b0ec7f@changeid


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