IOMMU Updates for Linux v4.10 These changes include: * Support for the ACPI IORT table on ARM systems and patches to make the ARM-SMMU driver make use of it * Conversion of the Exynos IOMMU driver to device dependency links and implementation of runtime pm support based on that conversion * Update the Mediatek IOMMU driver to use the new struct device->iommu_fwspec member * Implementation of dma_map/unmap_resource in the generic ARM dma-iommu layer * A number of smaller fixes and improvements all over the place