Reports indicated S-Video capture did not work on HVR1265_K4, so all
devices on hand were audited and corrected to become fully
functional.

ImpactVCB-e
- Remove extraneous composite inputs
- Fix S-Video inputs

HVR5525
- Add routing and config for composite capture
- Add routing and config for S-Video capture
- Add routing for audio on both composite/S-Video

HVR1265_K4
- Remove non-existent composite capture
- Add routing and config for S-Video capture
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>