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
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..d9fc148
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1 @@
+# Empty config to trigger pycodestyle.