rmboard: Move to Python 3

This script already works with Python 3. Make it use that by default so
that it can import the patman libraries.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/tools/rmboard.py b/tools/rmboard.py
index df4f04b01c561cc70a8a8025debdedff26389677..1feface61d72daeba100086726830efe196660a5 100755 (executable)
--- a/tools/rmboard.py
+++ b/tools/rmboard.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#! /usr/bin/python3
 # SPDX-License-Identifier: GPL-2.0+
 # Copyright 2019 Google LLC
 #