Staging: remove at76_usb wireless driver.

There is already an in-kernel driver for this hardware (since 2.6.30),
at76c50x-usb, and it supports all of the same devices.  So this driver
can now be deleted.

Acked-by: Kalle Valo <kalle.valo@iki.fi> 
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/Kconfig

@@ -57,8 +57,6 @@ source "drivers/staging/wlan-ng/Kconfig"
 
 source "drivers/staging/echo/Kconfig"
 
-source "drivers/staging/at76_usb/Kconfig"
-
 source "drivers/staging/poch/Kconfig"
 
 source "drivers/staging/agnx/Kconfig"

drivers/staging/Makefile

@@ -11,7 +11,6 @@ obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
-obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
 obj-$(CONFIG_POCH)		+= poch/
 obj-$(CONFIG_AGNX)		+= agnx/
 obj-$(CONFIG_OTUS)		+= otus/

drivers/staging/at76_usb/Kconfig

-config USB_ATMEL
-	tristate "Atmel at76c503/at76c505/at76c505a USB cards"
-	depends on WLAN_80211 && USB
-	default N
-	select FW_LOADER
-	---help---
-	  Enable support for USB Wireless devices using Atmel at76c503,
-	  at76c505 or at76c505a chips.

drivers/staging/at76_usb/Makefile

-obj-$(CONFIG_USB_ATMEL)		+= at76_usb.o

drivers/staging/at76_usb/TODO

-Fix the mac80211 port of at76_usb (the proper in-kernel wireless
-stack) and get it included to the mainline. Patches available here:
-
-http://git.kernel.org/?p=linux/kernel/git/linville/wireless-legacy.git;a=shortlog;h=at76
-
-Contact Kalle Valo <kalle.valo@iki.fi> and linux-wireless list
-<linux-wireless@vger.kernel.org> for more information.