tools: Fix patman launcher script.

There is no "run_patman" procedure in patman's __main__.py file, which
would cause the following error at execution:

  "AttributeError: module 'patman.__main__' has no attribute 'run_patman'"

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed