The cameo header is a 0x40-byte header used by D-Link DGS 1210 switches
and Apresia ApresiaLightGS series. cameo-imghdr.py is a clean-room
reimplementation of imghdr present in the DGS-1210-28-GPL package.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
[fix board_version argument's help text]
Signed-off-by: Sander Vanheule <sander@svanheule.net>
(cherry picked from commit 2fd66e058b)
