dt/sound: Eliminate users of of_platform_{,un}register_driver

Get rid of users of of_platform_driver in drivers/sound.  The
of_platform_{,un}register_driver functions are going away, so the
users need to be converted to using the platform_bus_type directly.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index 4cf98c0..15dac0f 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -896,8 +896,7 @@
 	.pointer	= fsl_dma_pointer,
 };
 
-static int __devinit fsl_soc_dma_probe(struct platform_device *pdev,
-				       const struct of_device_id *match)
+static int __devinit fsl_soc_dma_probe(struct platform_device *pdev)
  {
 	struct dma_object *dma;
 	struct device_node *np = pdev->dev.of_node;
@@ -979,7 +978,7 @@
 };
 MODULE_DEVICE_TABLE(of, fsl_soc_dma_ids);
 
-static struct of_platform_driver fsl_soc_dma_driver = {
+static struct platform_driver fsl_soc_dma_driver = {
 	.driver = {
 		.name = "fsl-pcm-audio",
 		.owner = THIS_MODULE,
@@ -993,12 +992,12 @@
 {
 	pr_info("Freescale Elo DMA ASoC PCM Driver\n");
 
-	return of_register_platform_driver(&fsl_soc_dma_driver);
+	return platform_driver_register(&fsl_soc_dma_driver);
 }
 
 static void __exit fsl_soc_dma_exit(void)
 {
-	of_unregister_platform_driver(&fsl_soc_dma_driver);
+	platform_driver_unregister(&fsl_soc_dma_driver);
 }
 
 module_init(fsl_soc_dma_init);