pylint 3.x has removed epylint, which is now a separate module. To avoid
adding another recipe or using outdated modules, modify the
test_python_pylint tests so that they use the standard pylint API.
(From OE-Core rev: 72be3d6a116febf46130cccbe12afe5ad93779b5)
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>