Add IVRS table for AMD IOMMU. Generate IVRS or DMAR
depending on emulated IOMMU.
Signed-off-by: NDavid Kiarie <davidkiarie4@gmail.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>