Overwrite duplicate E2T address instead of sending error to E2Manager

Signed-off-by: wahidw <abdulwahid.w@nokia.com>
Change-Id: Ied3f56357e000d89ec11d2c6f8312634227b8cab
diff --git a/RELNOTES b/RELNOTES
index aa347ea..ffdc47a 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -1,3 +1,6 @@
+### v0.7.4
+* Overwrite duplicate E2T address instead of sending error to E2Manager
+
 ### v0.7.3
 * Upgraded to RMR v4.5.2