virtio_fs: convert to LE accessors

Virtio fs is modern-only. Use LE accessors for config space.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

fs/fuse/virtio_fs.c

@@ -606,7 +606,7 @@ static int virtio_fs_setup_vqs(struct virtio_device *vdev,
 	unsigned int i;
 	int ret = 0;
 
-	virtio_cread(vdev, struct virtio_fs_config, num_request_queues,
+	virtio_cread_le(vdev, struct virtio_fs_config, num_request_queues,
 			&fs->num_request_queues);
 	if (fs->num_request_queues == 0)
 		return -EINVAL;