drm/amdgpu: add v10 structs header (v2)

Header for CP structures (MQD, etc.)

V2: squash in updates

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>