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>
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index e46ecd2..ea72faa 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -781,10 +781,12 @@
 
 MODULE_DEVICE_TABLE(vio, viodasd_device_table);
 static struct vio_driver viodasd_driver = {
-	.name = "viodasd",
 	.id_table = viodasd_device_table,
 	.probe = viodasd_probe,
-	.remove = viodasd_remove
+	.remove = viodasd_remove,
+	.driver = {
+		.name = "viodasd",
+	}
 };
 
 /*