[media] s5p-mfc: Set vfl_dir for encoder

The vfl_dir flag is presently set to VFL_DIR_M2M only for decoder.
The encoder is not working because of this. So adding this flag
to the encoder part also.

Signed-off-by: Arun Kumar K <[e-mail]>
Acked-by: Kamil Debski <[e-mail]>
Signed-off-by: Sylwester Nawrocki <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/s5p-mfc/s5p_mfc.c

···
 	vfd->release	= video_device_release,
 	vfd->lock	= &dev->mfc_mutex;
 	vfd->v4l2_dev	= &dev->v4l2_dev;
+	vfd->vfl_dir	= VFL_DIR_M2M;
 	snprintf(vfd->name, sizeof(vfd->name), "%s", S5P_MFC_ENC_NAME);
 	dev->vfd_enc	= vfd;
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);