virtio-crypto: enable retry for virtio-crypto-dev

Enable retry for virtio-crypto-dev, so that crypto-engine
can process cipher-requests parallelly.

Cc: Michael S. Tsirkin <[e-mail]>
Cc: Jason Wang <[e-mail]>
Cc: Gonglei <[e-mail]>
Reviewed-by: Gonglei <[e-mail]>
Signed-off-by: lei he <[e-mail]>
Signed-off-by: zhenwei pi <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Michael S. Tsirkin <[e-mail]>

drivers/crypto/virtio/virtio_crypto_core.c

···
 		spin_lock_init(&vi->data_vq[i].lock);
 		vi->data_vq[i].vq = vqs[i];
 		/* Initialize crypto engine */
-		vi->data_vq[i].engine = crypto_engine_alloc_init(dev, 1);
+		vi->data_vq[i].engine = crypto_engine_alloc_init_and_set(dev, true, NULL, true,
+						virtqueue_get_vring_size(vqs[i]));
 		if (!vi->data_vq[i].engine) {
 			ret = -ENOMEM;
 			goto err_engine;