Make initialization code check the ECC related registers, which are initialized
by the VBIOS, to see if ECC is present and initialized and DRM_INFO() the
result.
Signed-off-by: David Panariti <David.Panariti@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>