- Add reserved bits for future feature development
- Fix issue with mismatch with type const
- Replaced problematic code with old memcpy and casted problematic
  pointers to unsigned char pointers
Reviewed-by: NAric Cyr <aric.cyr@amd.com>
Acked-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NAnthony Koo <Anthony.Koo@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>