move to CSIT 170504

Change-Id: I8b636ff57b6e6c3f4cfd2d77d930524559046dd9
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/build-root/scripts/csit-test-branch b/build-root/scripts/csit-test-branch
index b607ff2..99821d5 100755
--- a/build-root/scripts/csit-test-branch
+++ b/build-root/scripts/csit-test-branch
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo oper-170403
+echo oper-170504