fdt_path_offset
int fdt_path_offset(const void *fdt, const char *path);
fixups = fdt_path_offset(fdto, "/__local_fixups__");
symbol_off = fdt_path_offset(fdt, symbol_path);
fixups_off = fdt_path_offset(fdto, "/__fixups__");
symbols_off = fdt_path_offset(fdt, "/__symbols__");
ret = fdt_path_offset(fdt, path);
offset = fdt_path_offset(fdt, p);
aliasoffset = fdt_path_offset(fdt, "/aliases");
int chosen = fdt_path_offset(fdt, "/chosen");
int node = fdt_path_offset(gFDT, "/cpus/cpu@0");
int node = fdt_path_offset(gFDT, "/chosen");
int node = fdt_path_offset(gFDT, "/chosen");