VOL-1977 Modify back-to-back sanity test to use more ONUs

Change-Id: Ifc02109d4e4f090dde7de44afe6e8fd530cfd2d6
diff --git a/jjb/voltha-e2e.yaml b/jjb/voltha-e2e.yaml
index ef41768..f252d65 100644
--- a/jjb/voltha-e2e.yaml
+++ b/jjb/voltha-e2e.yaml
@@ -34,9 +34,9 @@
           build-node: 'qct-pod4-node2'
           default-image-tag: 'master'
           code-branch: 'master'
-          make-target: sanity-kind
-          onus: 1
-          pons: 1
+          make-target: sanity-multi-kind
+          onus: 2
+          pons: 2
           test-runs: 5
           time-trigger: "H H/3 * * *"