Add SMP link support for Bonnell

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: I69e9cec0e050fa207254d11ba3596858ed767432
diff --git a/util/dbus.hpp b/util/dbus.hpp
index 1bf0d44..32d1b9c 100644
--- a/util/dbus.hpp
+++ b/util/dbus.hpp
@@ -141,6 +141,7 @@
     Rainier_1S4U,
     Rainier_1S2U,
     Everest,
+    Bonnell,
 };
 
 /**