iwlwifi: hook iwlwifi with Linux rfkill

This patch hook IWL with Linux rfkill.

Signed-off-by: Mohamed Abbas <mabbas@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index c26ca74..4a5c8c0 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -9,6 +9,12 @@
 	  This option enables LEDS for the iwlwifi drivers
 
 
+config IWLCORE_RFKILL
+	boolean "IWLWIFI RF kill support"
+	depends on IWLCORE
+	select RFKILL
+	select RFKILL_INPUT
+
 config IWL4965
 	tristate "Intel Wireless WiFi 4965AGN"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL