scope hei_includes.hpp for internal use

This file should not be included in any headers consumed by the user
application.

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ifc3ff2faa03b96c8a7ace2feb7132d74df24f5cc
diff --git a/src/isolator/hei_isolation_node.hpp b/src/isolator/hei_isolation_node.hpp
index 053cd1c..ebb1850 100644
--- a/src/isolator/hei_isolation_node.hpp
+++ b/src/isolator/hei_isolation_node.hpp
@@ -1,8 +1,8 @@
 #pragma once
 
-#include <hei_includes.hpp>
 #include <hei_isolation_data.hpp>
 #include <register/hei_hardware_register.hpp>
+#include <util/hei_includes.hpp>
 
 namespace libhei
 {