ASoC: Convert CODEC drivers to module_platform_driver

Factors out a bit of boilerplate.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/cq93vc.c b/sound/soc/codecs/cq93vc.c
index cbb3028..4854b47 100644
--- a/sound/soc/codecs/cq93vc.c
+++ b/sound/soc/codecs/cq93vc.c
@@ -206,17 +206,7 @@
 	.remove = __devexit_p(cq93vc_platform_remove),
 };
 
-static int __init cq93vc_init(void)
-{
-	return platform_driver_register(&cq93vc_codec_driver);
-}
-module_init(cq93vc_init);
-
-static void __exit cq93vc_exit(void)
-{
-	platform_driver_unregister(&cq93vc_codec_driver);
-}
-module_exit(cq93vc_exit);
+module_platform_driver(cq93vc_codec_driver);
 
 MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
 MODULE_AUTHOR("Miguel Aguilar");