rust : Add RROS_SPINLOCK flag and adjust spinlock initialization for new constructor

kernel/rros/idle.rs

@@ -94,7 +94,7 @@ fn __rros_set_idle_schedparam(
     // let mut thread_lock = thread_unwrap.lock();
     let p_unwrap = p.unwrap();
     thread_unwrap.lock().state &= !T_WEAK;
-    let prio = unsafe { (*p_unwrap.locked_data().get()).idle.prio };
+    let prio = unsafe { (*p_unwrap.lock().deref()).idle.prio };
     return sched::rros_set_effective_thread_priority(thread.clone(), prio);
 }