tlv: added FIB enumeration protocol TLVs

Change-Id: I8f7c224b8605298b1b870747d33200690691d69a
diff --git a/src/encoding/tlv-nfd.hpp b/src/encoding/tlv-nfd.hpp
index 77f15b0..0f199ff 100644
--- a/src/encoding/tlv-nfd.hpp
+++ b/src/encoding/tlv-nfd.hpp
@@ -25,6 +25,10 @@
   FaceId          = 105,
   Cost            = 106,
 
+  // FIB Enumeration Protocol
+  FibEntry        = 128,
+  NextHopRecord   = 129,
+
   // Face Management Protocol
   FaceManagementOptions = 108,
   Uri                   = 114,