Add/update elalto branch for dcae

Add new elalto branch for son,mapper,prh, hv-ves
Update branch name impacted under IT-17610

Change-Id: Ibc404ed8c582c2583277a185bec39cf3922577e4
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1669
diff --git a/jjb/dcaegen2/dcaegen2-services-prh.yaml b/jjb/dcaegen2/dcaegen2-services-prh.yaml
index 37a9a57..cb9130f 100644
--- a/jjb/dcaegen2/dcaegen2-services-prh.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-prh.yaml
@@ -20,6 +20,8 @@
     stream:
       - 'master':
           branch: 'master'
+      - 'elalto':
+          branch: 'elalto'
     mvn-settings: 'dcaegen2-services-prh-settings'
     files: '**'
     archive-artifacts: ''