MAINTAINERS: brcm80211: Update F: pattern

commit fc2d6e57
("staging: brcm80211: remove brcm80211 driver from the staging tree")
moved the files, update the F: pattern.

CC: John W. Linville <linville@tuxdriver.com>
CC: Arend van Spriel <arend@broadcom.com>
CC: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

MAINTAINERS

@@ -1589,7 +1589,7 @@ M:	Franky (Zhenhui) Lin <frankyl@broadcom.com>
 M:	Kan Yan	<kanyan@broadcom.com>
 L:	linux-wireless@vger.kernel.org
 S:	Supported
-F:	drivers/staging/brcm80211/
+F:	drivers/net/wireless/brcm80211/
 
 BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER
 M:	Bhanu Prakash Gollapudi <bprakash@broadcom.com>