V4L/DVB (12886): Added new Pinnacle USB devices

Added Pinnacle PCTV USB devices based on PCTV 73e.

Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: Patrick Boettcher <patrick.boettcher@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>