ath5k: minor rfkill cleanup

Always enable rfkill since the ifdefs in the code is not really worth
the Kconfig option.  Also fix a few code style things, and remove the
usage of the ah_gpio[] array so we can remove it later.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath5k/base.c

@@ -2530,12 +2530,9 @@ ath5k_intr(int irq, void *dev_id)
 				 */
 				ath5k_hw_update_mib_counters(ah, &sc->ll_stats);
 			}
-#ifdef CONFIG_ATH5K_RFKILL
 			if (status & AR5K_INT_GPIO)
-			{
 				tasklet_schedule(&sc->rf_kill.toggleq);
-			}
-#endif
+
 		}
 	} while (ath5k_hw_is_intr_pending(ah) && --counter > 0);