drm/amdgpu: Allow reading more status registers on si/cik

drm/amdgpu: Allow reading more status registers on si/cik

Allow userspace to read the same status registers for every family.
Based on commit 550a320c, added any of these registers if defined in
the include files of each architecture.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>