Import buildroot tree from openpower
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..bad1eeb
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "buildroot"]
+	path = buildroot
+	url = git@github.com:open-power/buildroot.git