Build openpower-libhei as a static library

Build a static library that can be linked to by other applications.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Change-Id: I4dec91928381712674e6621792830f811c44c30d
diff --git a/src/isolator/hei_isolation_node.cpp b/src/isolator/hei_isolation_node.cpp
index e2bf61a..7f8422a 100644
--- a/src/isolator/hei_isolation_node.cpp
+++ b/src/isolator/hei_isolation_node.cpp
@@ -1,3 +1,4 @@
+#include <hei_macros.hpp>
 #include <isolator/hei_isolation_node.hpp>
 
 namespace libhei