[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/dvb/bt8xx/Makefile b/drivers/media/dvb/bt8xx/Makefile
index 0713b3a..7c2dd04 100644
--- a/drivers/media/dvb/bt8xx/Makefile
+++ b/drivers/media/dvb/bt8xx/Makefile
@@ -1,6 +1,6 @@
 obj-$(CONFIG_DVB_BT8XX) += bt878.o dvb-bt8xx.o dst.o dst_ca.o
 
-ccflags-y += -Idrivers/media/dvb/dvb-core
+ccflags-y += -Idrivers/media/dvb-core
 ccflags-y += -Idrivers/media/dvb/frontends
 ccflags-y += -Idrivers/media/video/bt8xx
 ccflags-y += -Idrivers/media/common/tuners