net/ps3: Update maintainer

Update the MAINTAINERS entry for PS3 NETWORK SUPPORT.

CC: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

MAINTAINERS

@@ -4427,8 +4427,8 @@ S:	Maintained
 F:	drivers/ata/sata_promise.*
 
 PS3 NETWORK SUPPORT
-P:	Masakazu Mokuno
-M:	mokuno@sm.sony.co.jp
+P:	Geoff Levand
+M:	geoffrey.levand@am.sony.com
 L:	netdev@vger.kernel.org
 L:	cbe-oss-dev@ozlabs.org
 S:	Supported