Add .gitupstream file

Change-Id: Idf25a436e273aed670a2c9d62790d49108176cd7
diff --git a/.gitupstream b/.gitupstream
new file mode 100644
index 0000000..4c7783e
--- /dev/null
+++ b/.gitupstream
@@ -0,0 +1 @@
+https://git.codelinaro.org/clo/la/platform/hardware/qcom/display