arm64: dts: qcom: Add base qcm6490 idp board dts

Add DTS for Qualcomm IDP platform using QCM6490 SoC.
This adds debug uart, eMMC and usb support along with
regulators found on this board.

Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20231129065816.26409-3-quic_kbajaj@quicinc.com


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