iommu/omap: remove pm_runtime_irq_safe flag for OMAP IOMMUs

This is not needed for anything, and prevents proper PM transitions for
parent devices which is bad in case of ti-sysc; this effectively kills
PM completely. Thus, remove the flag.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/omap-iommu.c

@@ -1254,7 +1254,6 @@ static int omap_iommu_probe(struct platform_device *pdev)
 			goto out_sysfs;
 	}
 
-	pm_runtime_irq_safe(obj->dev);
 	pm_runtime_enable(obj->dev);
 
 	omap_iommu_debugfs_add(obj);