[media] v4l: vsp1: Add VIDIOC_EXPBUF support

Use the vb2 ioctl handler directly.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: NJacopo Mondi <jacopo@jmondi.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/vsp1/vsp1_video.c

@@ -1021,6 +1021,7 @@ static const struct v4l2_ioctl_ops vsp1_video_ioctl_ops = {
 	.vidioc_querybuf		= vb2_ioctl_querybuf,
 	.vidioc_qbuf			= vb2_ioctl_qbuf,
 	.vidioc_dqbuf			= vb2_ioctl_dqbuf,
+	.vidioc_expbuf			= vb2_ioctl_expbuf,
 	.vidioc_create_bufs		= vb2_ioctl_create_bufs,
 	.vidioc_prepare_buf		= vb2_ioctl_prepare_buf,
 	.vidioc_streamon		= vsp1_video_streamon,