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/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c
index 3cda2b5..ad29754 100644
--- a/drivers/net/fs_enet/mii-bitbang.c
+++ b/drivers/net/fs_enet/mii-bitbang.c
@@ -150,8 +150,7 @@
 	return 0;
 }
 
-static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev,
-                                        const struct of_device_id *match)
+static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev)
 {
 	struct mii_bus *new_bus;
 	struct bb_info *bitbang;
@@ -223,7 +222,7 @@
 };
 MODULE_DEVICE_TABLE(of, fs_enet_mdio_bb_match);
 
-static struct of_platform_driver fs_enet_bb_mdio_driver = {
+static struct platform_driver fs_enet_bb_mdio_driver = {
 	.driver = {
 		.name = "fsl-bb-mdio",
 		.owner = THIS_MODULE,
@@ -235,12 +234,12 @@
 
 static int fs_enet_mdio_bb_init(void)
 {
-	return of_register_platform_driver(&fs_enet_bb_mdio_driver);
+	return platform_driver_register(&fs_enet_bb_mdio_driver);
 }
 
 static void fs_enet_mdio_bb_exit(void)
 {
-	of_unregister_platform_driver(&fs_enet_bb_mdio_driver);
+	platform_driver_unregister(&fs_enet_bb_mdio_driver);
 }
 
 module_init(fs_enet_mdio_bb_init);