Add mininet topology file

Change-Id: Icc079a83a034e920b498cf9f0886b2de4d85237e
diff --git a/TestON/tests/SCPF/SCPFportLat/SCPFportLat.params b/TestON/tests/SCPF/SCPFportLat/SCPFportLat.params
index 0d8687e..0a81dc6 100644
--- a/TestON/tests/SCPF/SCPFportLat/SCPFportLat.params
+++ b/TestON/tests/SCPF/SCPFportLat/SCPFportLat.params
@@ -9,6 +9,11 @@
         <cellApps>drivers,metrics,openflow</cellApps>
     </ENV>
 
+    <DEPENDENCY>
+        <path>/tests/SCPF/SCPFportLat/dependencies/</path>
+        <topology>topo-perf-2sw.py</topology>
+    </DEPENDENCY>
+
     <GIT>
         <autopull>off</autopull>
         <checkout>master</checkout>