os: implement ReadWriteLock

libraries/libstratosphere/source/os/impl/os_tick_manager_impl.hpp

@@ -37,6 +37,10 @@ namespace ams::os::impl {
                 return this->impl.GetTick();
             }
 
+            ALWAYS_INLINE Tick GetSystemTickOrdered() const {
+                return this->impl.GetSystemTickOrdered();
+            }
+
             ALWAYS_INLINE s64 GetTickFrequency() const {
                 return this->impl.GetTickFrequency();
             }