[PATCH] Add more SCM trees to MAINTAINERS

Greg requested a patch to update MAINTAINERS with more SCM entries.
The patch below is what I've found so far.

Signed-off-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>