arm64: dts: qcom: x1e001de-devkit: Enable SD card support

The SD card slot found on the X1E001DE Snapdragon Devkit for windows
board is controlled by SDC2 instance, so enable it.

Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241025123551.3528206-3-quic_sibis@quicinc.com


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