Replace fdt_node_offset() with fdt_find_node_by_path().

The new name matches more closely the kernel's name, which is also
a much better description.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Gerald Van Baren <vanbaren@cideas.com>
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index defe59c..1a03109 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -132,7 +132,7 @@
  * Searches for the node corresponding to the given path and returns the
  * offset of that node.
  */
-int fdt_path_offset(const void *fdt, const char *path)
+int fdt_find_node_by_path(const void *fdt, const char *path)
 {
 	const char *end = path + strlen(path);
 	const char *p = path;