Merge branch 'developing' into 'master'

hikey960: mkdtimg: force to use python2

See merge request LinaroLtd/linaro-aosp/linaro-vendor-package!1
diff --git a/src/hikey960/bootloader/mkdtimg b/src/hikey960/bootloader/mkdtimg
index 6572204..33c982e 100755
--- a/src/hikey960/bootloader/mkdtimg
+++ b/src/hikey960/bootloader/mkdtimg
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # Copyright 2017, The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");