Updated Voltctl Version for voltha-2.8 release jobs
Updated Physical Pod pipelines to use correct pod-configs branch

Change-Id: I6041f9f5d3094283aa01dec5cdd4f0ac081df170
diff --git a/jjb/pipeline/voltha/voltha-2.8/software-upgrades.groovy b/jjb/pipeline/voltha/voltha-2.8/software-upgrades.groovy
index 285fac1..665ef57 100644
--- a/jjb/pipeline/voltha/voltha-2.8/software-upgrades.groovy
+++ b/jjb/pipeline/voltha/voltha-2.8/software-upgrades.groovy
@@ -187,25 +187,9 @@
         helmTeardown(['infra', 'voltha'])
       }
     }
-    stage('Install latest voltctl') {
-      steps {
-        sh """
-          mkdir -p $WORKSPACE/bin || true
-          # install voltctl
-          HOSTOS="\$(uname -s | tr "[:upper:]" "[:lower:"])"
-          HOSTARCH="\$(uname -m | tr "[:upper:]" "[:lower:"])"
-          if [ "\$HOSTARCH" == "x86_64" ]; then
-              HOSTARCH="amd64"
-          fi
-          VC_VERSION="\$(curl --fail -sSL https://api.github.com/repos/opencord/voltctl/releases/latest | jq -r .tag_name | sed -e 's/^v//g')"
-          curl -Lo $WORKSPACE/bin/voltctl https://github.com/opencord/voltctl/releases/download/v\$VC_VERSION/voltctl-\$VC_VERSION-\$HOSTOS-\$HOSTARCH
-          chmod +x $WORKSPACE/bin/voltctl
-        """
-      }
-    }
     stage('Create K8s Cluster') {
       steps {
-        createKubernetesCluster([nodes: 3])
+        createKubernetesCluster([branch: "${branch}", nodes: 3])
       }
     }
     stage('Run Test') {