drm/amdgpu: Fix ras features value calltrace

The high three bits of ras features mask indicate socket
id, it should skip to check high three bits of ras features
mask before disable all ras features.

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>