intel: Enable "Motherboard Down" DG2 pci-ids, Cc: 22.1
These are now included in drm-next: https://cgit.freedesktop.org/drm/drm/tree/include/drm/i915_pciids.h#n695
Cc: 22.1 <mesa-stable>
These are now included in drm-next: https://cgit.freedesktop.org/drm/drm/tree/include/drm/i915_pciids.h#n695
Cc: 22.1 <mesa-stable>