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

Get rid of users of of_platform_driver in drivers/net.  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/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
index dd61798..4fa53f3 100644
--- a/drivers/net/ibm_newemac/rgmii.c
+++ b/drivers/net/ibm_newemac/rgmii.c
@@ -228,8 +228,7 @@
 }
 
 
-static int __devinit rgmii_probe(struct platform_device *ofdev,
-				 const struct of_device_id *match)
+static int __devinit rgmii_probe(struct platform_device *ofdev)
 {
 	struct device_node *np = ofdev->dev.of_node;
 	struct rgmii_instance *dev;
@@ -318,7 +317,7 @@
 	{},
 };
 
-static struct of_platform_driver rgmii_driver = {
+static struct platform_driver rgmii_driver = {
 	.driver = {
 		.name = "emac-rgmii",
 		.owner = THIS_MODULE,
@@ -330,10 +329,10 @@
 
 int __init rgmii_init(void)
 {
-	return of_register_platform_driver(&rgmii_driver);
+	return platform_driver_register(&rgmii_driver);
 }
 
 void rgmii_exit(void)
 {
-	of_unregister_platform_driver(&rgmii_driver);
+	platform_driver_unregister(&rgmii_driver);
 }