[media] dvb: move the dvb core one level up

just like the V4L2 core, move the DVB core to drivers/media, as the
intention is to get rid of both "video" and "dvb" directories.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index e625362..bda568a 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -161,6 +161,7 @@
 # DVB adapters
 #
 
+source "drivers/media/dvb-core/Kconfig"
 source "drivers/media/dvb/Kconfig"
 
 endif # MEDIA_SUPPORT