Staging: add agnx wireless driver

This driver is for the Airgo AGNX00 wireless chip.

From: Li YanBo <dreamfly281@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 71c4d53..704306f 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -14,3 +14,4 @@
 obj-$(CONFIG_ECHO)		+= echo/
 obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
 obj-$(CONFIG_POCH)		+= poch/
+obj-$(CONFIG_AGNX)		+= agnx/