V4L/DVB: cx88: Kconfig: Remove EXPERIMENTAL dependency from VIDEO_CX88_ALSA

The cx88-alsa module has been around since January 2006 and has seen no
significant changes since September 2007.  It is stable in operation
and so I believe that the 'experimental' tag is no longer warranted.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx88/Kconfig

@@ -17,7 +17,7 @@ config VIDEO_CX88
 
 config VIDEO_CX88_ALSA
 	tristate "Conexant 2388x DMA audio support"
-	depends on VIDEO_CX88 && SND && EXPERIMENTAL
+	depends on VIDEO_CX88 && SND
 	select SND_PCM
 	---help---
 	  This is a video4linux driver for direct (DMA) audio on