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/ps2mult.c b/drivers/input/serio/ps2mult.c
index 15aa81c..a76fb64 100644
--- a/drivers/input/serio/ps2mult.c
+++ b/drivers/input/serio/ps2mult.c
@@ -304,15 +304,4 @@
 	.reconnect	= ps2mult_reconnect,
 };
 
-static int __init ps2mult_init(void)
-{
-	return serio_register_driver(&ps2mult_drv);
-}
-
-static void __exit ps2mult_exit(void)
-{
-	serio_unregister_driver(&ps2mult_drv);
-}
-
-module_init(ps2mult_init);
-module_exit(ps2mult_exit);
+module_serio_driver(ps2mult_drv);