[PATCH v4 3/4] iommu/mediatek: Add enable IOMMU SMC command for INFRA master

[Yong Wu (吴勇)]

On Tue, 2022-10-18 at 14:42 +0800, Chengci.Xu wrote:
> The register which can enable IOMMU for INFRA master should be setted
> in secure world for security concerns. Therefore, we add a SMC
> command
> for INFRA master to enable/disable INFRA IOMMU in ATF. This function
> is
> prepared for MT8188.
> 
> Signed-off-by: Chengci.Xu <chengci.xu at mediatek.com>

Reviewed-by: Yong Wu <yong.wu at mediatek.com>