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

Get rid of old users of of_platform_driver in arch/powerpc.  Most
of_platform_driver users can be converted to use the platform_bus
directly.

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

diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index c89f396..d37819f 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -443,8 +443,7 @@
 /*	initialization / cleanup					*/
 /************************************************************************/
 
-static int
-therm_of_probe( struct platform_device *dev, const struct of_device_id *match )
+static int therm_of_probe(struct platform_device *dev)
 {
 	return i2c_add_driver( &g4fan_driver );
 }
@@ -462,7 +461,7 @@
     }, {}
 };
 
-static struct of_platform_driver therm_of_driver = {
+static struct platform_driver therm_of_driver = {
 	.driver = {
 		.name = "temperature",
 		.owner = THIS_MODULE,
@@ -509,14 +508,14 @@
 		return -ENODEV;
 	}
 
-	of_register_platform_driver( &therm_of_driver );
+	platform_driver_register( &therm_of_driver );
 	return 0;
 }
 
 static void __exit
 g4fan_exit( void )
 {
-	of_unregister_platform_driver( &therm_of_driver );
+	platform_driver_unregister( &therm_of_driver );
 
 	if( x.of_dev )
 		of_device_unregister( x.of_dev );