The infra iommu enable bits in mt8195 is in the pericfg register segment,
use regmap to update it.
If infra iommu master translation fault, It don't have the larbid/portid,
thus print out the whole register value.
Since regmap_update_bits may fail, add return value for mtk_iommu_config.
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>