Add 2nd MAC address for 2nd NIC

In somes systms, there are 2 MAC addresses for 2 NICs like mihawk. In
order to support system like Mihawk, add another FRU ETHERNET1 to get
the 2nd NIC's MAC address.

Signed-off-by: Alvin Wang <alvinwang@msn.com>
Change-Id: I7c01e346af41e080ab3498c5d32ecdeb3d825e90
diff --git a/defines.hpp b/defines.hpp
index 91eda13..25303d3 100644
--- a/defines.hpp
+++ b/defines.hpp
@@ -143,11 +143,13 @@
  *
  *  BMC       The VPD on the BMC planar, for eg
  *  ETHERNET  The ethernet card on the BMC
+ *  ETHERNET1 The 2nd ethernet card on the BMC
  */
 enum Fru
 {
     BMC,
-    ETHERNET
+    ETHERNET,
+    ETHERNET1
 };
 
 } // namespace vpd