powerpc: don't duplicate name between vio_driver and device_driver

Just set the name field directly in the device_driver structure
contained in the vio_driver struct.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

drivers/char/viotape.c

@@ -996,10 +996,12 @@ static struct vio_device_id viotape_device_table[] __devinitdata = {
 
 MODULE_DEVICE_TABLE(vio, viotape_device_table);
 static struct vio_driver viotape_driver = {
-	.name = "viotape",
 	.id_table = viotape_device_table,
 	.probe = viotape_probe,
-	.remove = viotape_remove
+	.remove = viotape_remove,
+	.driver = {
+		.name = "viotape",
+	}
 };