[media] go7007: drop firmware name in board config, make configs const

The firmware is always the same, so drop it from the board configs. Also make
the board configs const.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
5 files changed