Revert "iommu/of: Delete usage of driver_deferred_probe_check_state()"

This reverts commit b09796d.

An issue was reported[1] on the original commit. I'll need to address that
before I can delete the use of driver_deferred_probe_check_state().  So,
bring it back for now.

[1] - https://lore.kernel.org/lkml/4799738.LvFx2qVVIh@steina-w/

Fixes: b09796d ("iommu/of: Delete usage of driver_deferred_probe_check_state()")
Reported-by: Jean-Philippe Brucker <[email protected]>
Tested-by: Jean-Philippe Brucker <[email protected]>
Tested-by: Alexander Stein <[email protected]>
Signed-off-by: Saravana Kannan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Saravana Kannan

drivers/iommu/of_iommu.c

@@ -40,7 +40,7 @@ static int of_iommu_xlate(struct device *dev,
 	 * a proper probe-ordering dependency mechanism in future.
 	 */
 	if (!ops)
-		return -ENODEV;
+		return driver_deferred_probe_check_state(dev);
 
 	if (!try_module_get(ops->owner))
 		return -ENODEV;