mwifiex: move under marvell vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 75ff743..5b889f6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6728,7 +6728,7 @@
 M:	Nishant Sarmukadam <nishants@marvell.com>
 L:	linux-wireless@vger.kernel.org
 S:	Maintained
-F:	drivers/net/wireless/mwifiex/
+F:	drivers/net/wireless/marvell/mwifiex/
 
 MARVELL MWL8K WIRELESS DRIVER
 M:	Lennert Buytenhek <buytenh@wantstofly.org>