amdgpu_bo_create has too many parameters, and used in
too many places. Collect them to one structure.
Signed-off-by: NChunming Zhou <david1.zhou@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NJunwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>