[media] Fix vino compilation

A trivial fix so that vino can find the saa7191.h header.

[mchehab@redhat.com: Fix merge conflict]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index 71e1b28..4afb1af 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -43,3 +43,5 @@
 obj-y	+= davinci/
 
 obj-$(CONFIG_ARCH_OMAP)	+= omap/
+
+ccflags-y += -I$(srctree)/drivers/media/i2c