Add .gitupstream file

Change-Id: I82c641c0cdd374f9c12b49488e4a1a560aacb9e5
diff --git a/.gitupstream b/.gitupstream
new file mode 100644
index 0000000..bb4a4b8
--- /dev/null
+++ b/.gitupstream
@@ -0,0 +1 @@
+https://git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/interfaces