V4L/DVB(7767): Move tuners to common/tuners

There were several issues in the past, caused by the hybrid tuner design, since
now, the same tuner can be used by drivers/media/dvb and drivers/media/video.

Kconfig items were rearranged, to split V4L/DVB core from their drivers.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/pvrusb2/Makefile b/drivers/media/video/pvrusb2/Makefile
index 5b3083c..4fda2de 100644
--- a/drivers/media/video/pvrusb2/Makefile
+++ b/drivers/media/video/pvrusb2/Makefile
@@ -16,5 +16,6 @@
 obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2.o
 
 EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/common/tuners
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends