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/snappercl15.c b/sound/soc/ep93xx/snappercl15.c
index 2cde433..33901d6 100644
--- a/sound/soc/ep93xx/snappercl15.c
+++ b/sound/soc/ep93xx/snappercl15.c
@@ -147,18 +147,7 @@
 	.remove		= __devexit_p(snappercl15_remove),
 };
 
-static int __init snappercl15_init(void)
-{
-	return platform_driver_register(&snappercl15_driver);
-}
-
-static void __exit snappercl15_exit(void)
-{
-	platform_driver_unregister(&snappercl15_driver);
-}
-
-module_init(snappercl15_init);
-module_exit(snappercl15_exit);
+module_platform_driver(snappercl15_driver);
 
 MODULE_AUTHOR("Ryan Mallon");
 MODULE_DESCRIPTION("ALSA SoC Snapper CL15");