Revert "renaming helm-chart of "volt" service to "olt-service""

This reverts commit 17e312b16f9964261a6f882b4d452be1a25ec427.

Change-Id: I5df4523ad446a61a1bee70579de3659af8e0932d
diff --git a/xos-profiles/rcord-lite/requirements.yaml b/xos-profiles/rcord-lite/requirements.yaml
index 3f476a4..77a9067 100644
--- a/xos-profiles/rcord-lite/requirements.yaml
+++ b/xos-profiles/rcord-lite/requirements.yaml
@@ -23,9 +23,9 @@
 - name: fabric
   version: 2.2.0
   repository: file://../../xos-services/fabric
-- name: olt-service
-  version: 2.2.1
-  repository: file://../../xos-services/olt-service
+- name: volt
+  version: 2.2.2
+  repository: file://../../xos-services/volt
 - name: vsg-hw
   version: 1.1.0
   repository: file://../../xos-services/vsg-hw