media: staging: omap4iss: remove cacheflush import

The cacheflush import is never used, so it is safe to remove it as an
import.
Signed-off-by: Ian Cowan <ian@linux.cowan.aero>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/omap4iss/iss_video.c

@@ -19,8 +19,6 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-mc.h>
 
-#include <asm/cacheflush.h>
-
 #include "iss_video.h"
 #include "iss.h"