dt-bindings: mediatek: mt8195: Add binding for infra IOMMU

dt-bindings: mediatek: mt8195: Add binding for infra IOMMU

In mt8195, we have a new IOMMU that is for INFRA IOMMU. its masters
mainly are PCIe and USB. Different with MM IOMMU, all these masters
connect with IOMMU directly, there is no mediatek,larbs property for
infra IOMMU.

Another thing is about PCIe ports. currently the function
"of_iommu_configure_dev_id" only support the id number is 1, But our
PCIe have two ports, one is for reading and the other is for writing.
see more about the PCIe patch in this patchset. Thus, I only list
the reading id here and add the other id in our driver.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-3-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>