python: fix pycodestyle issues

Create a file 'setup.cfg' so that openbmc-build-scripts will
automatically run 'pycodestyle' on the code base.

Fix up any issues already reported by pycodestyle.

Sig

python: fix pycodestyle issues

Create a file 'setup.cfg' so that openbmc-build-scripts will
automatically run 'pycodestyle' on the code base.

Fix up any issues already reported by pycodestyle.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I5d98df0b844e5cbdbdb4dc580cb4c406538f3b4f

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