Add missing include to lazy_ptr.h

Change-Id: I5b061692a4ec6def631d7c3182e5b644b6b9c519

runtime/hsa-runtime/core/util/lazy_ptr.h

@@ -47,6 +47,7 @@
 #include <utility>
 #include <functional>
 
+#include "core/util/locks.h"
 #include "core/util/utils.h"
 
 /*