Load DC and amdgpu display manager
Signed-off-by: NLeo Li <sunpeng.li@amd.com>
Reviewed-by: NXiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>