[media] common: move media/common/tuners to media/tuners

Move the tuners one level up, as the "common" directory will be used
by drivers that are shared between more than one driver.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/pci/bt8xx/Makefile b/drivers/media/pci/bt8xx/Makefile
index 36591ae..c008d0c 100644
--- a/drivers/media/pci/bt8xx/Makefile
+++ b/drivers/media/pci/bt8xx/Makefile
@@ -3,4 +3,4 @@
 ccflags-y += -Idrivers/media/dvb-core
 ccflags-y += -Idrivers/media/dvb-frontends
 ccflags-y += -Idrivers/media/video/bt8xx
-ccflags-y += -Idrivers/media/common/tuners
+ccflags-y += -Idrivers/media/tuners