[ARM] 5299/1: Add maintainer for Mobilepro 900/c

This patch adds the new maintainer for the
Mobilepro 900/c handheld.

Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Acked-by: Michael Petchkovsky <mkpetch@internode.on.net>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>