stage_4 support

Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>
Change-Id: Ic997b0baf6ad9cedf486a506f050e016a0c5796a
diff --git a/tools/.gitignore b/tools/.gitignore
new file mode 100644
index 0000000..d250963
--- /dev/null
+++ b/tools/.gitignore
@@ -0,0 +1 @@
+repos/*