drm/amdgpu: Resolve RAS GFX error count issue after cold boot on Arcturus

Adjust the sequence for ras late init and separate ras reset error status
from query status.

v2: squash in fix from Candice

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>