python: add vim modelines

Change-Id: Ic13d79892e3efe6f7bad357ad747e6fd25299d02
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/configs/Firestone.py b/configs/Firestone.py
index 3d282c8..f4281e9 100644
--- a/configs/Firestone.py
+++ b/configs/Firestone.py
@@ -488,3 +488,5 @@
 	0xb3 : { 'class' : 'PowerCap',
 		'os_path' : '/sys/class/hwmon/hwmon3/user_powercap' },
 }
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4