MAINTAINERS: add file patterns to "THE REST"

These file patterns match all sources.
By default, scripts/get_maintainers.pl excludes Linus Torvalds
from the CC: list.  Option --git-chief-penguins will include him.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>