Update CSIT tests 170814 -> 170906

- update of CSIT operational branch to be used for VPP-patch test

Change-Id: I23c6b5cb9bab6e295ff145531eabc2d51df49a94
Signed-off-by: Jan Gelety <jgelety@cisco.com>
diff --git a/build-root/scripts/csit-test-branch b/build-root/scripts/csit-test-branch
index 9fd727d..6b8a756 100755
--- a/build-root/scripts/csit-test-branch
+++ b/build-root/scripts/csit-test-branch
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo oper-170814
+echo oper-170906