Bump up the LISP LCAF version from draft 20 to draft 22

Change-Id: If946ac5bd6159b050838d577cbea7795e15d5693
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispListLcafAddress.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispListLcafAddress.java
index 08326a5..c46eed2 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispListLcafAddress.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispListLcafAddress.java
@@ -32,8 +32,8 @@
 /**
  * List type LCAF address class.
  * <p>
- * List type is defined in draft-ietf-lisp-lcaf-20
- * https://tools.ietf.org/html/draft-ietf-lisp-lcaf-20#page-22
+ * List type is defined in draft-ietf-lisp-lcaf-22
+ * https://tools.ietf.org/html/draft-ietf-lisp-lcaf-22#page-22
  *
  * <pre>
  * {@literal