dm: Convert users from dm_scan_fdt_node() to dm_scan_fdt_dev()

This new function is more convenient for callers, and handles pre-relocation
situations automatically.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/bus.c b/test/dm/bus.c
index 3b5a23b..d94dcf7 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -7,7 +7,6 @@
 #include <common.h>
 #include <dm.h>
 #include <dm/device-internal.h>
-#include <dm/root.h>
 #include <dm/test.h>
 #include <dm/uclass-internal.h>
 #include <dm/util.h>
@@ -30,7 +29,7 @@
 
 static int testbus_drv_probe(struct udevice *dev)
 {
-	return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
+	return dm_scan_fdt_dev(dev);
 }
 
 static int testbus_child_post_bind(struct udevice *dev)