wireless: consolidate on a single escape_essid implementation

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 646c712..ae7f226 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -72,3 +72,13 @@
 
 	  Say Y if you have programs using it, like old versions of
 	  hal.
+
+config LIB80211
+	tristate "Common routines for IEEE802.11 drivers"
+	default n
+	help
+	  This options enables a library of common routines used
+	  by IEEE802.11 wireless LAN drivers.
+
+	  Drivers should select this themselves if needed.  Say Y if
+	  you want this built into your kernel.