media: saa7134: hvr1110 can decode rc6

The function get_key_hvr1110 can only decode rc5, however this is a
standard hauppauge z8f0811 which can decode rc6 as well. Use
get_key_haup_xvr() instead.

Tested on a HVR 1110.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>