Version 1.0 support branch for VOLTHA

Change-Id: I7e7ac0e945a1936430323c3cb7c2752452b69277
diff --git a/default.xml b/default.xml
index 465edf6..2ceffa7 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="voltha-1.0" />
+  <default revision="voltha-1.0"
            remote="opencord"
            sync-j="4" />