Add .gitupstream file

Change-Id: Ic5778cf868c79bd3e9322eb355e2b62d74a1477e
diff --git a/.gitupstream b/.gitupstream
new file mode 100644
index 0000000..7d6f0fd
--- /dev/null
+++ b/.gitupstream
@@ -0,0 +1 @@
+https://git.codelinaro.org/clo/la/platform/hardware/qcom/thermal