V4L/DVB (6859): tveeprom: add support for Hauppauge models 74xxx

Thanks to Steve Toth from Hauppauge with providing me with the information
needed to add support for these models.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>