[VOL-4530] Added voltha components per patchset verification jobs and openonu-go periodic jobs for voltha-2.9 branch

Change-Id: Id450f17f747a9ce0bebb5312caa8e33d2ac75db4
diff --git a/vars/installVoltctl.groovy b/vars/installVoltctl.groovy
index 3608537..d75beb1 100644
--- a/vars/installVoltctl.groovy
+++ b/vars/installVoltctl.groovy
@@ -4,6 +4,8 @@
   def voltctlVersion = ""
   if (branch == "voltha-2.8") {
     voltctlVersion = "1.6.11"
+  } else if (branch == "voltha-2.9") {
+    voltctlVersion = "1.7.4"
   } else {
     voltctlVersion = sh (
       script: "curl -sSL https://api.github.com/repos/opencord/voltctl/releases/latest | jq -r .tag_name | sed -e 's/^v//g'",