arm: kirkwood: Sheevaplug: Update board maintainer

Change maintainer to me. Prafulla is no longer active in U-Boot community.

Signed-off-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/board/Marvell/sheevaplug/MAINTAINERS b/board/Marvell/sheevaplug/MAINTAINERS
index 2b0103d..282f046 100644
--- a/board/Marvell/sheevaplug/MAINTAINERS
+++ b/board/Marvell/sheevaplug/MAINTAINERS
@@ -1,5 +1,5 @@
 SHEEVAPLUG BOARD
-M:	Prafulla Wadaskar <prafulla@marvell.com>
+M:	Tony Dinh <mibodhi@gmail.com>
 S:	Maintained
 F:	board/Marvell/sheevaplug/
 F:	include/configs/sheevaplug.h