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>

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -926,19 +926,12 @@ struct iwl_priv {
 	struct rfkill *rfkill;
 #endif
 
-#if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
+#ifdef CONFIG_IWLWIFI_LEDS
 	unsigned long last_blink_time;
 	u8 last_blink_rate;
 	u8 allow_blinking;
 	u64 led_tpt;
-#endif
-
-#ifdef CONFIG_IWLWIFI_LEDS
 	struct iwl_led led[IWL_LED_TRG_MAX];
-#endif
-
-#ifdef CONFIG_IWL3945_LEDS
-	struct iwl3945_led led39[IWL_LED_TRG_MAX];
 	unsigned int rxtxpackets;
 #endif
 	u16 active_rate;