This WA affect BDW GT3 pre-production steppings.
Signed-off-by: NRodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: NMika Kuoppala <mika.kuoppala@intel.com>
[danvet: Don't mention steppings ...]
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>