Add .gitupstream file

Change-Id: Id546f42ace1420c89fc35200ff5a293dc58ad06e
diff --git a/.gitupstream b/.gitupstream
new file mode 100644
index 0000000..fa89aba
--- /dev/null
+++ b/.gitupstream
@@ -0,0 +1 @@
+https://git.codelinaro.org/clo/la/platform/hardware/qcom/audio