arm64: dts: qcom: Add Monaco Monza SoM

arm64: dts: qcom: Add Monaco Monza SoM

The Monaco Monza SoM is a compact computing module that integrates a
Monaco/QCS8300 System on Chip (SoC), along with essential components
optimized for IoT applications. It is designed to be mounted on
carrier boards, enabling the development of complete embedded systems.

The following components are described:
- Fixed S2S 1.8V rail
- PMM8654AU RPMh regulators (PMIC A and PMIC C)
- Display subsystem/phy supplies (DSI, DP)
- Enable GPU, GPI DMA, IRIS
- PCIe Gen4 for both controllers and PHY supply hookups
- QUPv3 firmware declarations
- REFGEN always-on workaround for USB2 HS PHY
- Remoteproc firmware names for ADSP, CDSP and GPDSP
- Ethernet SERDES supplies
- USB HS/SS PHY regulators
- On-SoM eMMC

Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260313103824.2634519-5-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>