fixing grep check during olt reinstall in pod scripts

Change-Id: I14ba52c5d1307b9e6e3c402d860975ebda6af26f
diff --git a/Jenkinsfile-rcordlite-topdown-build b/Jenkinsfile-rcordlite-topdown-build
index 89e97b7..10f5e44 100644
--- a/Jenkinsfile-rcordlite-topdown-build
+++ b/Jenkinsfile-rcordlite-topdown-build
@@ -193,7 +193,7 @@
                     }
                     timeout(15) {
                         waitUntil {
-                            onu_discovered = sh returnStdout: true, script: "sshpass -p ${deployment_config.olts[i].pass} ssh -l ${deployment_config.olts[i].user} ${deployment_config.olts[i].ip} 'cat /broadcom/openolt.log | grep \"oper_state:up\" | wc -l'"
+                            onu_discovered = sh returnStdout: true, script: "sshpass -p ${deployment_config.olts[i].pass} ssh -l ${deployment_config.olts[i].user} ${deployment_config.olts[i].ip} 'cat /broadcom/openolt.log | grep \"oper_state: up\" | wc -l'"
                             return onu_discovered.toInteger() > 0
                         }
                     }