mv binfmt to quadraticpc

clients/quadraticpc/binfmt/qemu.patch

@@ -0,0 +1,16 @@
+diff --git a/util/rcu.c b/util/rcu.c
+index fa32c942e4..8ae899f74e 100644
+--- a/util/rcu.c
++++ b/util/rcu.c
+@@ -409,12 +409,6 @@ static void rcu_init_complete(void)
+ 
+     qemu_event_init(&rcu_call_ready_event, false);
+ 
+-    /* The caller is assumed to have BQL, so the call_rcu thread
+-     * must have been quiescent even after forking, just recreate it.
+-     */
+-    qemu_thread_create(&thread, "call_rcu", call_rcu_thread,
+-                       NULL, QEMU_THREAD_DETACHED);
+-
+     rcu_register_thread();
+ }