iommu/omap: Implement DOMAIN_ATTR_GEOMETRY attribute

Implement the attribute for the OMAP IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index e70ee2b..d0b1234 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1148,6 +1148,10 @@
 
 	domain->priv = omap_domain;
 
+	domain->geometry.aperture_start = 0;
+	domain->geometry.aperture_end   = (1ULL << 32) - 1;
+	domain->geometry.force_aperture = true;
+
 	return 0;
 
 fail_nomem: