media: media-request: Add compat ioctl

Currently media request ioctl operations fail on 64-bit kernel with
32-bit userspace due to missing .compat_ioctl callback.

Because no ioctl command uses any argument, just reuse existing ioctl
handler for compat_ioctl too.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/media-request.c

@@ -238,6 +238,9 @@ static const struct file_operations request_fops = {
 	.owner = THIS_MODULE,
 	.poll = media_request_poll,
 	.unlocked_ioctl = media_request_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = media_request_ioctl,
+#endif /* CONFIG_COMPAT */
 	.release = media_request_close,
 };