Update .gitreview default remote

Change-Id: I2649bcbaa8ee86d84b92cbeee251b67b4f9e777a
diff --git a/.gitreview b/.gitreview
index e306b0d..e9396ab 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,5 @@
 host=gerrit.onos.onlab.us
 port=29418
 project=ONOS.git
+defaultremote=origin
 defaultbranch=dev/ramcloud-new-datamodel