soc/amd/common/block/iommu: move ACPI name to common code

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I0f1dce92475ce0ee05a8d090fc3b3d1e613f62c3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50821
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/common/block/iommu/iommu.c b/src/soc/amd/common/block/iommu/iommu.c
index c870972..49683d4 100644
--- a/src/soc/amd/common/block/iommu/iommu.c
+++ b/src/soc/amd/common/block/iommu/iommu.c
@@ -21,11 +21,21 @@
 	res->flags = IORESOURCE_MEM;
 }
 
+#if CONFIG(HAVE_ACPI_TABLES)
+static const char *iommu_acpi_name(const struct device *dev)
+{
+	return "IOMM";
+}
+#endif
+
 static struct device_operations iommu_ops = {
 	.read_resources = iommu_read_resources,
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.ops_pci = &pci_dev_ops_pci,
+#if CONFIG(HAVE_ACPI_TABLES)
+	.acpi_name = iommu_acpi_name,
+#endif
 };
 
 static const unsigned short pci_device_ids[] = {