iwlwifi: drop lib80211 dependency

Ever since Johannes' "iwlwifi: improve scan support" iwlwifi
no longer needs any of lib80211's functions or definitions.

This patch updates iwlwifi's Kconfig _selections_ and
removes all left lib80211.h inclusions from the source files.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/Kconfig

 config IWLWIFI
 	tristate "Intel Wireless Wifi"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
-	select LIB80211
 	select FW_LOADER
 	select MAC80211_LEDS if IWLWIFI_LEDS
 	select LEDS_CLASS if IWLWIFI_LEDS

drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -27,7 +27,6 @@
  *****************************************************************************/
 #include <linux/types.h>
 #include <linux/etherdevice.h>
-#include <net/lib80211.h>
 #include <net/mac80211.h>
 
 #include "iwl-eeprom.h"

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -41,7 +41,6 @@
 #include <linux/if_arp.h>
 
 #include <net/ieee80211_radiotap.h>
-#include <net/lib80211.h>
 #include <net/mac80211.h>
 
 #include <asm/div64.h>