Add .gitupstream file

Change-Id: Icc6f3d47ea4ca27f2a6a8cb5c5e508bbdef3dafb
diff --git a/.gitupstream b/.gitupstream
new file mode 100644
index 0000000..4a4f8e7
--- /dev/null
+++ b/.gitupstream
@@ -0,0 +1 @@
+https://git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wfd-commonsys