CORD-2319 Change ng4t to ng40

Change-Id: Ib2dfc6461c812d206edbace8c85f3294ea4352fb
(cherry picked from commit 27ee4c824db90a1fdaedb71065cc3deeb7a23bce)
diff --git a/Makefile b/Makefile
index aa6c1d3..2fe61a5 100644
--- a/Makefile
+++ b/Makefile
@@ -344,8 +344,8 @@
 mcord-spirent-test: $(M)/setup-automation
 	$(SSH_HEAD) "cd /opt/cord/build; $(ANSIBLE_PB_LOCAL) $(PI)/mcord-spirent-test-playbook.yml" $(LOGCMD)
 
-mcord-ng4t-test: $(M)/setup-automation
-	$(SSH_HEAD) "cd /opt/cord/build; $(ANSIBLE_PB_LOCAL) $(PI)/mcord-ng4t-test-playbook.yml" $(LOGCMD)
+mcord-ng40-test: $(M)/setup-automation
+	$(SSH_HEAD) "cd /opt/cord/build; $(ANSIBLE_PB_LOCAL) $(PI)/mcord-ng40-test-playbook.yml" $(LOGCMD)
 
 fabric-pingtest: $(M)/refresh-fabric
 	$(SSH_HEAD) "cd /opt/cord/build; $(ANSIBLE_PB_MAAS) $(PI)/cord-fabric-pingtest.yml" $(LOGCMD)