fdt_path_offset_namelen
int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen);
fixup_off = fdt_path_offset_namelen(fdto, path, path_len);
return fdt_path_offset_namelen(fdt, path, strlen(path));
int stdoutNode = fdt_path_offset_namelen(fdt, stdoutPath, namelen);