ath5k: remove EXPERIMENTAL marker

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath5k/Kconfig

 config ATH5K
 	tristate "Atheros 5xxx wireless cards support"
-	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
+	depends on PCI && MAC80211 && WLAN_80211
 	select MAC80211_LEDS
 	select LEDS_CLASS
 	select NEW_LEDS