Update stream name for CLAMP

Updated stream name in CSIT and main clamp yamls to reflect the branch they refer to

Change-Id: Ifc9554dd7f656ec42e8feee287acda19fe0c9e65
Issue-ID: CIMAN-257
Signed-off-by: ChrisC <christophe.closset@intl.att.com>
diff --git a/jjb/clamp/clamp-csit.yaml b/jjb/clamp/clamp-csit.yaml
index a9e8e42..3c25793 100644
--- a/jjb/clamp/clamp-csit.yaml
+++ b/jjb/clamp/clamp-csit.yaml
@@ -8,7 +8,7 @@
     stream:
         - 'master':
               branch: 'master'
-        - 'casablanca':
+        - 'dublin':
               branch: 'dublin'
     functionality:
       - 'APIs':