MAINTAINERS: Add Kevin's e-mail in entry for TI DaVinci

In absence of Kevin's e-mail address, using get_maintaner.pl in
git-send-email --cc-cmd option is not CCing Kevin at all.

While at it, mark davinci-linux-open-source@linux.davincidsp.com as
a list in line with what is being done for other maintainer entries.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

MAINTAINERS

@@ -5247,8 +5247,8 @@ F:	drivers/*/*s3c2410*
 F:	drivers/*/*/*s3c2410*
 
 TI DAVINCI MACHINE SUPPORT
-P:	Kevin Hilman
-M:	davinci-linux-open-source@linux.davincidsp.com
+M:	Kevin Hilman <khilman@deeprootsystems.com>
+L:	davinci-linux-open-source@linux.davincidsp.com (subscribers-only)
 Q:	http://patchwork.kernel.org/project/linux-davinci/list/
 S:	Supported
 F:	arch/arm/mach-davinci