testing/micropython: fix build with python3

testing/micropython/python3.patch

@@ -0,0 +1,50 @@
+diff --git a/lib/memzip/make-memzip.py b/lib/memzip/make-memzip.py
+index 9730f5e..3a1f7a5 100755
+--- a/lib/memzip/make-memzip.py
++++ b/lib/memzip/make-memzip.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ #
+ # Takes a directory of files and zips them up (as uncompressed files).
+ # This then gets converted into a C data structure which can be read
+diff --git a/ports/teensy/make-pins.py b/ports/teensy/make-pins.py
+index 0f6c5f2..5d21d8f 100755
+--- a/ports/teensy/make-pins.py
++++ b/ports/teensy/make-pins.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ """Creates the pin file for the Teensy."""
+ 
+ from __future__ import print_function
+diff --git a/tools/make-frozen.py b/tools/make-frozen.py
+index 1051b52..06ee7a3 100755
+--- a/tools/make-frozen.py
++++ b/tools/make-frozen.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ #
+ # Create frozen modules structure for MicroPython.
+ #
+diff --git a/tools/pyboard.py b/tools/pyboard.py
+index 16ee41f..17b7f98 100755
+--- a/tools/pyboard.py
++++ b/tools/pyboard.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ #
+ # This file is part of the MicroPython project, http://micropython.org/
+ #
+diff --git a/tools/pydfu.py b/tools/pydfu.py
+index 8c0220d..55ea952 100755
+--- a/tools/pydfu.py
++++ b/tools/pydfu.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ # This file is part of the OpenMV project.
+ # Copyright (c) 2013/2014 Ibrahim Abdelkader <i.abdalkader@gmail.com>
+ # This work is licensed under the MIT license, see the file LICENSE for