arm64: dts: qcom: hamoa: Add remoteproc IOMMUS in EL2 device trees

arm64: dts: qcom: hamoa: Add remoteproc IOMMUS in EL2 device trees

All the existing variants Hamoa boards are using Gunyah hypervisor
which means that, so far, Linux-based OS could only boot in EL1 on
those devices. However, it is possible for us to boot Linux at EL2
on these devices [1].

When running under Gunyah, the remote processor firmware IOMMU streams
are controlled by Gunyah. However, without Gunyah, the IOMMU is managed
by the consumer of this DeviceTree. Therefore, describe the firmware
streams for each remote processor.

Add remoteproc IOMMUS to the EL2 device trees to generate the
corresponding -el2.dtb files.

[1]
https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-4/boot-developer-touchpoints.html#uefi

Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Signed-off-by: Xin Liu <xin.liu@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260203063244.1498699-1-xin.liu@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>