drm/amdgpu: New header for fields needed to determine state of ECC.

Add header files with ECC related definitions
(MASKs, SHIFTs, DEFAULTs and OFFSETS).

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>
3 files changed