fix some byteorder issues about amdgpu discovery.
This will result in running errors on the big end system. (e.g:MIPS)
Signed-off-by: NYang Wang <KevinYang.Wang@amd.com>
Reviewed-by: NGuchun Chen <guchun.chen@amd.com>
Reviewed-by: NLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>