expose kafkaURI; add sdcore-prom-kafka chart

Change-Id: I43a7d9875dc2d9d4739c0abd745a51062940a70b
diff --git a/aether-roc-umbrella/values.yaml b/aether-roc-umbrella/values.yaml
index eb19513..b244eac 100644
--- a/aether-roc-umbrella/values.yaml
+++ b/aether-roc-umbrella/values.yaml
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: 2022-present Intel Corporation
 # SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 #
 # SPDX-License-Identifier: Apache-2.0
@@ -51,6 +52,8 @@
       enabled: false
     v2-1:
       enabled: true
+  sdcore-prom-kafka:
+    enabled: false
   subscriber-proxy:
     enabled: true
   sdcore-test-dummy: