V4L/DVB (4629): Saa7134: add card support for Proteus Pro 2309

Add card support for Proteus Pro 2309, based on saa7130 bridge

Signed-off-by: Michal Majchrowicz <mmajchrowicz@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>