Updates for 2.4 branch

Change-Id: Iadbb5c0b8180f040dfd8075bc8a0d51bbd81020e
diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index cad8f41..7640c80 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -71,9 +71,9 @@
     # regexp for gerrit triggers
     # list of supported branches, for branch-regexp
     all-branches-regexp: '.*'
-    supported-branches-regexp: '^(master|cord-7.0|cord-6.1|seba-1.0|voltha-2.3)$'
+    supported-branches-regexp: '^(master|cord-7.0|cord-6.1|seba-1.0|voltha-2.3|voltha-2.4)$'
     legacy-branches-regexp: '^(cord-5.0|cord-4.1|cord-4.0)$'
-    modern-branches-regexp: '^(master|cord-7.0|cord-6.1|cord-6.0|seba-1.0|voltha-2.3)$'
+    modern-branches-regexp: '^(master|cord-7.0|cord-6.1|cord-6.0|seba-1.0|voltha-2.3|voltha-2.4)$'
     platform-branches-regexp: '^(master|cord-7.0|cord-6.1)$'
     seba-branches-regexp: '^(master|cord-7.0|seba-1.0)$'