Create cord-5.0 support branch

Change-Id: I4355b7a41a376775da32ec6e7a74492c448006a4
diff --git a/default.xml b/default.xml
index 3e8cb63..549d802 100644
--- a/default.xml
+++ b/default.xml
@@ -4,8 +4,8 @@
   <remote  name="opencord"
            fetch=".."
            review="https://gerrit.opencord.org/"
-           revision="master" />
-  <default revision="master"
+           revision="cord-5.0" />
+  <default revision="cord-5.0"
            remote="opencord"
            sync-j="4" />