iommu/amd: Add support for using AMD IOMMU v2 page table for DMA-API

Introduce init function for setting up DMA domain for DMA-API with
the IOMMU v2 page table.

Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220825063939.8360-9-vasant.hegde@amd.com


Signed-off-by: Joerg Roedel <jroedel@suse.de>