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/include/linux/kobject.h b/include/linux/kobject.h
index 8b0aa71..84c5afd 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -80,9 +80,9 @@
 
 extern void kobject_init(struct kobject *);
 extern void kobject_init_ng(struct kobject *kobj, struct kobj_type *ktype);
-extern int __must_check kobject_add_ng(struct kobject *kobj,
-				       struct kobject *parent,
-				       const char *fmt, ...);
+extern int __must_check kobject_add(struct kobject *kobj,
+				    struct kobject *parent,
+				    const char *fmt, ...);
 extern int __must_check kobject_init_and_add(struct kobject *kobj,
 					     struct kobj_type *ktype,
 					     struct kobject *parent,