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-tt-physical-functional-tests.groovy b/jjb/pipeline/voltha-tt-physical-functional-tests.groovy
index cfc6d46..3238fcd 100644
--- a/jjb/pipeline/voltha-tt-physical-functional-tests.groovy
+++ b/jjb/pipeline/voltha-tt-physical-functional-tests.groovy
@@ -120,7 +120,7 @@
     }
     stage ('Initialize') {
       steps {
-        sh returnStdout: false, script: "git clone -b master ${cordRepoUrl}/${configBaseDir}"
+        sh returnStdout: false, script: "git clone -b ${branch} ${cordRepoUrl}/${configBaseDir}"
         script {
            deployment_config = readYaml file: "${configBaseDir}/${configDeploymentDir}/${configFileName}-TT.yaml"
         }
@@ -128,9 +128,8 @@
         mkdir -p $WORKSPACE/bin
         bash <( curl -sfL https://raw.githubusercontent.com/boz/kail/master/godownloader.sh) -b "$WORKSPACE/bin"
         cd $WORKSPACE
-        if [ "${params.branch}" != "master" ]; then
-           cd $WORKSPACE/kind-voltha
-           source releases/${params.branch}
+        if [ "${params.branch}" == "voltha-2.8" ]; then
+           VOLTCTL_VERSION=1.6.10
         else
            VOLTCTL_VERSION=\$(curl -sSL https://api.github.com/repos/opencord/voltctl/releases/latest | jq -r .tag_name | sed -e 's/^v//g')
         fi