[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/common/b2c2/Makefile b/drivers/media/common/b2c2/Makefile
index 377d051..48a4c90 100644
--- a/drivers/media/common/b2c2/Makefile
+++ b/drivers/media/common/b2c2/Makefile
@@ -4,4 +4,4 @@
 
 ccflags-y += -Idrivers/media/dvb-core/
 ccflags-y += -Idrivers/media/dvb-frontends/
-ccflags-y += -Idrivers/media/common/tuners/
+ccflags-y += -Idrivers/media/tuners/