iwl3945: use iwl_led structure

3945 can now use iwl_led's structure from iwlwifi.
Patch also removes CONFIG_IWL3945_LEDS flag from Kconfig as 3945's led
support will now be enabled if user selects CONFIG_IWLWIFI_LEDS.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@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/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h
index 140fd8f..ef9b174 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.h
+++ b/drivers/net/wireless/iwlwifi/iwl-led.h
@@ -30,7 +30,7 @@
 
 struct iwl_priv;
 
-#if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
+#ifdef CONFIG_IWLWIFI_LEDS
 #include <linux/leds.h>
 
 #define IWL_LED_SOLID 11