update .gitreview to new repo url

Leftover from split out of openbsc

Change-Id: I684eedfdeb52a9b018d3798961b29b9e31526cd1
diff --git a/.gitreview b/.gitreview
index ee67509..6f1bb85 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,3 +1,3 @@
 [gerrit]
 host=gerrit.osmocom.org
-project=openbsc
+project=osmo-msc