Update CSIT tests 160807 -> 160815

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

Change-Id: Ia9cb275d9471f3c25a02f943d0ace65aec425f8d
Signed-off-by: Jan <jgelety@cisco.com>
diff --git a/build-root/scripts/csit-test-branch b/build-root/scripts/csit-test-branch
index 1d3570d..b9887c2 100755
--- a/build-root/scripts/csit-test-branch
+++ b/build-root/scripts/csit-test-branch
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo oper-160807
+echo oper-160815