Bumping OLT Adapter chart

Change-Id: I4c68d35ca64984d56978cd1a2e19488b3122627c
diff --git a/release_notes/voltha_2.4.rst b/release_notes/voltha_2.4.rst
index 9d06b12..36bb647 100644
--- a/release_notes/voltha_2.4.rst
+++ b/release_notes/voltha_2.4.rst
@@ -78,7 +78,7 @@
 - `voltha-rw-core <https://gerrit.opencord.org/gitweb?p=voltha-go.git;a=tree;h=refs/heads/voltha-2.4>`_: ``2.4.5``
 - `ofagent-go <https://gerrit.opencord.org/gitweb?p=ofagent-go.git;a=tree;h=refs/heads/voltha-2.4>`_: ``1.2.6``
 
-voltha-adapter-openolt: ``2.5.9`` with container image `voltha-openolt-adapter
+voltha-adapter-openolt: ``2.5.10`` with container image `voltha-openolt-adapter
 <https://gerrit.opencord.org/gitweb?p=voltha-openolt-adapter.git;a=tree;h=refs/heads/voltha-2.4>`_:
 ``2.4.14``