V4L (1019): Added basic support (tv + radio) for TerraTec Cinergy 250 PCI

- Added "TerraTec Cinergy 250 PCI" board (tv and radio).
- svideo not tested
- IR yet not working

Signed-off-by: Jrg Schummer <joerg.schummer@web.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>