Input: serio - use module_serio_driver

This patch converts the drivers in drivers/input/* to use
module_serio_driver() macro which makes the code smaller and
a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 4494233..948fd5a 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -432,15 +432,4 @@
 	.manual_bind	= true,
 };
 
-static int __init serio_raw_init(void)
-{
-	return serio_register_driver(&serio_raw_drv);
-}
-
-static void __exit serio_raw_exit(void)
-{
-	serio_unregister_driver(&serio_raw_drv);
-}
-
-module_init(serio_raw_init);
-module_exit(serio_raw_exit);
+module_serio_driver(serio_raw_drv);