Input: at32psif - use module_platform_driver_probe macro

module_platform_driver_probe() eliminates the boilerplate and simplifies
the code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/serio/at32psif.c

@@ -359,18 +359,7 @@ static struct platform_driver psif_driver = {
 	},
 };
 
-static int __init psif_init(void)
-{
-	return platform_driver_probe(&psif_driver, psif_probe);
-}
-
-static void __exit psif_exit(void)
-{
-	platform_driver_unregister(&psif_driver);
-}
-
-module_init(psif_init);
-module_exit(psif_exit);
+module_platform_driver_probe(psif_driver, psif_probe);
 
 MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>");
 MODULE_DESCRIPTION("Atmel AVR32 PSIF PS/2 driver");