arm: kirkwood: Goflex Home: Update board maintainer

Change maintainer to me. Suriyan no longer has this board and wishes
to see someone maintaining it actively.
Signed-off-by: NTony Dinh <mibodhi@gmail.com>
Reviewed-by: NStefan Roese <sr@denx.de>

board/Seagate/goflexhome/MAINTAINERS

 GOFLEXHOME BOARD
-M:	Suriyan Ramasami <suriyan.r@gmail.com>
+M:	Tony Dinh <mibodhi@gmail.com>
 S:	Maintained
 F:	board/Seagate/goflexhome/
 F:	include/configs/goflexhome.h