Add git-review config

Change-Id: I4ce3f6806fed00c452d859c164a42a4f9f3f7d1f
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..ef636c8
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,3 @@
+[gerrit]
+host=gerrit.osmocom.org
+project=osmo-e1-recorder