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Add iommu nodes and smi nodes for mt8195.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220811025813.21492-19-tinghan.shen@mediatek.com

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>