ath5k: extract LED code into a separate file

Move LED code out of base.c for clarity.

Changes-licensed-under: 3-Clause-BSD
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index b9af2b8..0dc2c73 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -1129,6 +1129,12 @@
 extern struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version);
 extern void ath5k_hw_detach(struct ath5k_hw *ah);
 
+/* LED functions */
+extern int ath5k_init_leds(struct ath5k_softc *sc);
+extern void ath5k_led_enable(struct ath5k_softc *sc);
+extern void ath5k_led_off(struct ath5k_softc *sc);
+extern void ath5k_unregister_leds(struct ath5k_softc *sc);
+
 /* Reset Functions */
 extern int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial);
 extern int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, struct ieee80211_channel *channel, bool change_channel);