V4L/DVB (6153): I2C bus 3 register was incorrect

I2C bus 3 was being initialised with the incorrect address register.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>