drm/i915: BDW Fix Halo PCI IDs marked as ULT.

BDW with PCI-IDs ended in "2" aren't ULT, but HALO.
Let's fix it and at least allow VGA to work on this units.

v2: forgot ammend and v1 doesn't compile

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87220


Cc: Xion Zhang <xiong.y.zhang@intel.com>
Cc: Guo Jinxian <jinxianx.guo@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>