MAINTAINERS: linux-m32r is moderated for non-subscribers

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

MAINTAINERS

@@ -4070,7 +4070,7 @@ S:	Maintained
 
 M32R ARCHITECTURE
 M:	Hirokazu Takata <takata@linux-m32r.org>
-L:	linux-m32r@ml.linux-m32r.org
+L:	linux-m32r@ml.linux-m32r.org (moderated for non-subscribers)
 L:	linux-m32r-ja@ml.linux-m32r.org (in Japanese)
 W:	http://www.linux-m32r.org/
 S:	Maintained