ASoC: Convert ep93xx directory to module_platform_driver

Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Alexander Sverdlin <subaparts@yandex.ru>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c
index 968cb31..1e00b33 100644
--- a/sound/soc/ep93xx/simone.c
+++ b/sound/soc/ep93xx/simone.c
@@ -81,17 +81,7 @@
 	.remove		= __devexit_p(simone_remove),
 };
 
-static int __init simone_init(void)
-{
-	return platform_driver_register(&simone_driver);
-}
-module_init(simone_init);
-
-static void __exit simone_exit(void)
-{
-	platform_driver_unregister(&simone_driver);
-}
-module_exit(simone_exit);
+module_platform_driver(simone_driver);
 
 MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");