mac80211: disable fq until performance issues have been found and fixed

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/mac80211/patches/220-fq_disable_hack.patch

+mac80211 fq has been found to cause a regression in multi-stream TCP
+performance. Disable it until the cause has been found and fixed
+
+--- a/include/net/fq_impl.h
++++ b/include/net/fq_impl.h
+@@ -104,6 +104,9 @@ static struct fq_flow *fq_flow_classify(
+ 
+ 	lockdep_assert_held(&fq->lock);
+ 
++	/* HACK: disable fq for now until TCP issues are fixed */
++	return get_default_func(fq, tin, idx, skb);
++
+ 	hash = skb_get_hash_perturb(skb, fq->perturbation);
+ 	idx = reciprocal_scale(hash, fq->flows_cnt);
+ 	flow = &fq->flows[idx];