Use Wifi Alliance OUI for MA USB packets over SNAP

Change-Id: Icf4c995c8fbdb886e8b4e79a1fc7b62ac7137a07
Reviewed-on: https://code.wireshark.org/review/4667
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>