Add codereview.settings file to suppress warning spam.

I don't think this is used for anything anymore, but this clones
the file from the ffmpeg repository to avoid spam when operating
with some depot tools.

BUG=766721
R=davidben

Change-Id: I424d550edf59c47b1c764e9cf8e68b8ac83140f7
diff --git a/codereview.settings b/codereview.settings
new file mode 100644
index 0000000..6779264
--- /dev/null
+++ b/codereview.settings
@@ -0,0 +1,3 @@
+# This file is used by gcl to get repository specific information.
+GERRIT_HOST: True
+PROJECT: nasm