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/firmware/edd.c b/drivers/firmware/edd.c
index dc0b87b..d168223 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -693,7 +693,7 @@
 static inline void
 edd_device_unregister(struct edd_device *edev)
 {
-	kobject_unregister(&edev->kobj);
+	kobject_put(&edev->kobj);
 }
 
 static void edd_populate_dir(struct edd_device * edev)