MAINTAINERS: change Kalle as wcn36xx maintainer

Eugene hasn't worked on wcn36xx for some time now.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

MAINTAINERS

@@ -11702,7 +11702,7 @@ S:	Maintained
 F:	drivers/media/platform/qcom/venus/
 
 QUALCOMM WCN36XX WIRELESS DRIVER
-M:	Eugene Krasnikov <k.eugene.e@gmail.com>
+M:	Kalle Valo <kvalo@codeaurora.org>
 L:	wcn36xx@lists.infradead.org
 W:	http://wireless.kernel.org/en/users/Drivers/wcn36xx
 T:	git git://github.com/KrasnikovEugene/wcn36xx.git