dtoc: Add a setup script for Python

Allow dtoc to be installed by adding a suitable setup.py script.

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

tools/dtoc/setup.py

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+from distutils.core import setup
+setup(name='dtoc',
+      version='1.0',
+      license='GPL-2.0+',
+      scripts=['dtoc'],
+      packages=['dtoc'],
+      package_dir={'dtoc': ''},
+      package_data={'dtoc': ['README']},
+      classifiers=['Environment :: Console',
+                   'Topic :: Software Development :: Embedded Systems'])