drm/amdgpu: add psp firmware header info

Defines the header info for the psp firmware.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed