Adding stackName to waitForAdapters keyword config

Change-Id: Ifbb023a177daf648aef8f4c9ad632fb502b7e94c
diff --git a/vars/waitForAdapters.groovy b/vars/waitForAdapters.groovy
index 661e089..37620c3 100644
--- a/vars/waitForAdapters.groovy
+++ b/vars/waitForAdapters.groovy
@@ -2,6 +2,7 @@
 
     def defaultConfig = [
         volthaNamespace: "voltha",
+        stackName: "voltha",
         adaptersToWait: 2,
     ]
 
@@ -22,7 +23,7 @@
     // guarantee that at least the specified number of adapters are registered with VOLTHA before proceeding
      sh """
         set +x
-        _TAG="voltha-voltha-api" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${cfg.volthaNamespace} svc/voltha-voltha-api 55555:55555; done"&
+        _TAG="voltha-voltha-api" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${cfg.volthaNamespace} svc/${cfg.stackName}-voltha-api 55555:55555; done"&
        """
 
     sh """