drm/amdgpu: update VCN/JPEG RAS setting

Support VCN/JPEG RAS in both bare metal and SRIOV environment.

v2: update commit description.

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