V4L/DVB (4898): Saa7134: add support for remote control of Hauppauge HVR1110

This patch adds support for the remote control bundled with the
Hauppauge HVR1110

Signed-off-by: Thomas Genty <tomlohave@gmail.com>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>