V4L/DVB (6299): dvb: Add dependencies for VIDEOBUF_DVB

It needs to select VIDEOBUF_GEN and VIDEOBUF_DMA_SG, since it uses those
modules.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index e705265..dd9bd43 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -140,6 +140,8 @@
 
 config VIDEOBUF_DVB
 	tristate
+	select VIDEOBUF_GEN
+	select VIDEOBUF_DMA_SG
 
 config VIDEO_BTCX
 	tristate