change gitreview host

Change-Id: Ie682c66d202813800a052be70cb33163282ed4f2
diff --git a/.gitreview b/.gitreview
index cb9e568..f6a89a0 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,5 +1,5 @@
 [gerrit]
-host=tf-gerrit.gz1.progmaticlab.com
+host=gerrit.opensdn.io
 port=29418
 project=tungstenfabric/tf-third-party-cache.git
 defaultbranch=master
\ No newline at end of file