patman: replace deprecated SafeConfigParser with ConfigParser

The SafeConfigParser class has been renamed in Python 3.2 to
ConfigParser, and the old alias has been deprecated since.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@savoirfairelinux.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed