MAINTAINERS: wifi: atmel: mark as orphan

Last activity from Simon is from 2005 so mark the driver is orphan.
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230724104547.3061709-3-kvalo@kernel.org

MAINTAINERS

@@ -3260,9 +3260,8 @@ F:	Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
 F:	drivers/input/touchscreen/atmel_mxt_ts.c
 
 ATMEL WIRELESS DRIVER
-M:	Simon Kelley <simon@thekelleys.org.uk>
 L:	linux-wireless@vger.kernel.org
-S:	Maintained
+S:	Orphan
 W:	http://www.thekelleys.org.uk/atmel
 W:	http://atmelwlandriver.sourceforge.net/
 F:	drivers/net/wireless/atmel/atmel*