MAINTAINERS: bluesmoke-devel list is moderated for non-subscribers

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>