.gitreview: update repo url to new location

Old files came from openbsc.

Change-Id: If8b5b0b3c9472e2d25f90f659dcc90aac44d7566
diff --git a/.gitreview b/.gitreview
index ee67509..bd724b7 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,3 +1,3 @@
 [gerrit]
 host=gerrit.osmocom.org
-project=openbsc
+project=osmo-bsc