Add .gitupstream file

Change-Id: I07fc9e6a415db396da4276159b5bf3cfd550adb2
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