media: cx23885: Add analog frontend to 1265_K4

Enables the analog tuning frontend for Hauppauge HVR-1265_K4.

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>