[media] omap_vout: remove extra include

Remove including plat/dma.h which is not needed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/omap/omap_vout.c

@@ -44,7 +44,6 @@
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 
-#include <plat/dma.h>
 #include <video/omapvrfb.h>
 #include <video/omapdss.h>