drm/amdgpu/jpeg: Add jpeg ras error query support

drm/amdgpu/jpeg: Add jpeg ras error query support

RAS error query support addition for JPEG 2.6

V2: removed unused options and corrected comment format.
Moved register definition to header file.

V3: poison query status check added.
Removed the error query support

V4: Return statement refactored.

Signed-off-by: Mohammad Zafar Ziya <Mohammadzafar.ziya@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>