MAINTAINERS: wifi: mark mlw8k as orphan

Last activity from Lennert is from 2012 so mark the driver as orphan.

Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230724104547.3061709-10-kvalo@kernel.org

Author: Kalle Valo

MAINTAINERS

@@ -12583,9 +12583,8 @@ S:	Odd Fixes
 F:	drivers/net/wireless/marvell/mwifiex/
 
 MARVELL MWL8K WIRELESS DRIVER
-M:	Lennert Buytenhek <buytenh@wantstofly.org>
 L:	linux-wireless@vger.kernel.org
-S:	Odd Fixes
+S:	Orphan
 F:	drivers/net/wireless/marvell/mwl8k.c
 
 MARVELL NAND CONTROLLER DRIVER