Add vim modelines

Change-Id: I86e2d378c229023fb5dcda658535e2587adec343
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/setup.py b/setup.py
index 7152014..8b4b4a0 100644
--- a/setup.py
+++ b/setup.py
@@ -23,3 +23,5 @@
     scripts=['settings_manager.py'],
     data_files=[('phosphor-settings', ['settings_file.py'])],
     cmdclass={'build': CustomBuild})
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4