Run the SR-Log job on the correct node

- When running tofino tests on the QA-Pod, make sure to use the correct
  node for saving logs

Change-Id: I1ab4825b0ad53bdbc39c09b05908ece18aacdcbd
diff --git a/TestON/JenkinsFile/CommonJenkinsFile.groovy b/TestON/JenkinsFile/CommonJenkinsFile.groovy
index ac0e4da..0641558 100644
--- a/TestON/JenkinsFile/CommonJenkinsFile.groovy
+++ b/TestON/JenkinsFile/CommonJenkinsFile.groovy
@@ -313,8 +313,13 @@
 
     resultURL = ""
     if ( category == "SR" || category == "SR-StratumBMv2" || category == "SR-Tofino" ){
-        def post = build job: "SR-log-" + prefix, propagate: false
-        resultURL = post.getAbsoluteUrl()
+        if ( category == "SR-Tofino" ){
+            prefix = "Tofino"
+        }
+        node( params.assignedNode ) {
+            def post = build job: "SR-log-" + prefix, propagate: false
+            resultURL = post.getAbsoluteUrl()
+        }
     }
     return resultURL
 }