Supporting xApp to xApp Routes handling

Change-Id: I4f14e9ec8f4ca573e4ede04497592dc8c2ece8e9
Signed-off-by: rangajal <ranjit.angajala@nokia.com>
diff --git a/RELNOTES b/RELNOTES
index dc50594..958037e 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -1,3 +1,6 @@
+### v0.5.5
+* Supporting xApp to xApp Routes handling 
+
 ### v0.5.3
 * RMR updated to v3.6.0 with support for E2 Setup message types