[media] marvell-cam: Demote the "release" print to debug level

We've spammed enough logfiles at this point.

Signed-off-by: Jonathan Corbet <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/marvell-ccic/mcam-core.c

···
 {
 	struct mcam_camera *cam = filp->private_data;
 
-	cam_err(cam, "Release, %d frames, %d singles, %d delivered\n", frames,
+	cam_dbg(cam, "Release, %d frames, %d singles, %d delivered\n", frames,
 			singles, delivered);
 	mutex_lock(&cam->s_mutex);
 	(cam->users)--;