spapr_iommu: Convert old qdev_init_nofail() to object_property_set_bool

qdev_init_nofail() was replaced by object_property_set_bool("realized")
all over the QEMU so do we.
Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: NAlexander Graf <agraf@suse.de>

hw/ppc/spapr_iommu.c

@@ -165,7 +165,7 @@ sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn, size_t wi
 
     object_property_add_child(OBJECT(owner), "tce-table", OBJECT(tcet), NULL);
 
-    qdev_init_nofail(DEVICE(tcet));
+    object_property_set_bool(OBJECT(tcet), true, "realized", NULL);
 
     return tcet;
 }