arm64: dts: qcom: sdm630-nile: Enable uSD card slot

Enable the internal uSD slot to let the user have more storage.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210728222542.54269-37-konrad.dybcio@somainline.org


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