ASoC: Convert sh directory to module_platform_driver

Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index aa30330..a27c306 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1468,18 +1468,7 @@
 	.id_table	= fsi_id_table,
 };
 
-static int __init fsi_mobile_init(void)
-{
-	return platform_driver_register(&fsi_driver);
-}
-
-static void __exit fsi_mobile_exit(void)
-{
-	platform_driver_unregister(&fsi_driver);
-}
-
-module_init(fsi_mobile_init);
-module_exit(fsi_mobile_exit);
+module_platform_driver(fsi_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("SuperH onchip FSI audio driver");