gitreview: new file

Change-Id: Iadc35e1a14563516c81d4c845d0d6c5c7fda668a
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..512f064
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,3 @@
+[gerrit]
+host=gerrit.osmocom.org
+project=libgtpnl