arm64: Wire up iommu_dma_{map, unmap}_resource()

With no coherency to worry about, just plug'em straight in.
Acked-by: NCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NRobin Murphy <robin.murphy@arm.com>
Signed-off-by: NJoerg Roedel <jroedel@suse.de>

arch/arm64/mm/dma-mapping.c

@@ -796,6 +796,8 @@ static struct dma_map_ops iommu_dma_ops = {
 	.sync_single_for_device = __iommu_sync_single_for_device,
 	.sync_sg_for_cpu = __iommu_sync_sg_for_cpu,
 	.sync_sg_for_device = __iommu_sync_sg_for_device,
+	.map_resource = iommu_dma_map_resource,
+	.unmap_resource = iommu_dma_unmap_resource,
 	.dma_supported = iommu_dma_supported,
 	.mapping_error = iommu_dma_mapping_error,
 };