V4L/DVB (5376): Add dependency on VIDEO_V4L1

VIDEO_V4L1 is needed to get tvaudio to be built. Stupid really as ivtv is only
using the v4l2 API to communicate with tvaudio.
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/Kconfig

 config VIDEO_IVTV
 	tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support"
-	depends on VIDEO_V4L2 && USB && I2C && EXPERIMENTAL
+	depends on VIDEO_V4L1 && VIDEO_V4L2 && USB && I2C && EXPERIMENTAL
 	select FW_LOADER
 	select VIDEO_TUNER
 	select VIDEO_TVEEPROM