ASoC: Convert fsl directory to module_platform_driver

Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
index e77a1f2..7b53032 100644
--- a/sound/soc/fsl/mpc5200_psc_i2s.c
+++ b/sound/soc/fsl/mpc5200_psc_i2s.c
@@ -222,21 +222,7 @@
 	},
 };
 
-/* ---------------------------------------------------------------------
- * Module setup and teardown; simply register the of_platform driver
- * for the PSC in I2S mode.
- */
-static int __init psc_i2s_init(void)
-{
-	return platform_driver_register(&psc_i2s_driver);
-}
-module_init(psc_i2s_init);
-
-static void __exit psc_i2s_exit(void)
-{
-	platform_driver_unregister(&psc_i2s_driver);
-}
-module_exit(psc_i2s_exit);
+module_platform_driver(psc_i2s_driver);
 
 MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
 MODULE_DESCRIPTION("Freescale MPC5200 PSC in I2S mode ASoC Driver");