Kobject: rename kobject_add_ng() to kobject_add()

Now that the old kobject_add() function is gone, rename kobject_add_ng()
to kobject_add() to clean up the namespace.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c
index 1a8299a..ee15667 100644
--- a/drivers/net/iseries_veth.c
+++ b/drivers/net/iseries_veth.c
@@ -1084,7 +1084,7 @@
 	}
 
 	kobject_init_ng(&port->kobject, &veth_port_ktype);
-	if (0 != kobject_add_ng(&port->kobject, &dev->dev.kobj, "veth_port"))
+	if (0 != kobject_add(&port->kobject, &dev->dev.kobj, "veth_port"))
 		veth_error("Failed adding port for %s to sysfs.\n", dev->name);
 
 	veth_info("%s attached to iSeries vlan %d (LPAR map = 0x%.4X)\n",