func: int qemu_devtree_setprop_string(void *fdt, const char *node_path,
  
                                  const char *property, const char *string)
  
  {
  
      int offset;
  
  
  
      offset = fdt_path_offset(fdt, node_path);
  
      if (offset < 0)
  
          return offset;
  
  
  
      return fdt_setprop_string(fdt, offset, property, string);
  
  }
  