iommu: Call remove_device call-back after driver release

Do not remove the device from the IOMMU while the driver is
still attached.
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/iommu.c

@@ -779,7 +779,7 @@ static int iommu_bus_notifier(struct notifier_block *nb,
 	if (action == BUS_NOTIFY_ADD_DEVICE) {
 		if (ops->add_device)
 			return ops->add_device(dev);
-	} else if (action == BUS_NOTIFY_DEL_DEVICE) {
+	} else if (action == BUS_NOTIFY_REMOVED_DEVICE) {
 		if (ops->remove_device && dev->iommu_group) {
 			ops->remove_device(dev);
 			return 0;