Reboot HW servers for bm-depoyments (doesn'r require starting of deploy-bm job)

Also added TCP_QA_REFS option to deploy_bm job

PROD-36050

Change-Id: I413e3d34986fdb7a55967ba151a7a878c98535f2
diff --git a/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml b/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
index 3d9c175..531b1e9 100644
--- a/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
+++ b/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
@@ -225,6 +225,10 @@
         default: true
         description: 'Works starting from MCP 2019.2.10 or master. Whether to apply saltstack updates on all nodes in cluster before deployment'
         name: UPGRADE_SALTSTACK
+    - bool:
+        default: true
+        description: Reboot hardware servers and set boot to PXE before the deployment
+        name: REBOOT_HW_NODES
     pipeline-scm:
       lightweight-checkout: false
       scm: