Kobject: convert drivers/* from kobject_unregister() to kobject_put()

There is no need for kobject_unregister() anymore, thanks to Kay's
kobject cleanup changes, so replace all instances of it with
kobject_put().


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

diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index bee3037..57772be 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -1236,7 +1236,7 @@
 	int i;
 
 	for(i = 0; i<IbmVethNumBufferPools; i++)
-		kobject_unregister(&adapter->rx_buff_pool[i].kobj);
+		kobject_put(&adapter->rx_buff_pool[i].kobj);
 
 	unregister_netdev(netdev);