V2: Use LittleEndianStructure by review comment. From the universal scalable firmware payload requirement V0.75, Payload must have Universal Payload Information Section ".upld_info" So update the build tool to add this section. Cc: Ray Ni <ray.ni@intel.com> Cc: Maurice Ma <maurice.ma@intel.com> Cc: Benjamin You <benjamin.you@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Signed-off-by: Guo Dong <guo.dong@intel.com>