ath9k_hw: remove useless hw capability flags

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/recv.c

@@ -119,8 +119,7 @@ static void ath_opmode_init(struct ath_softc *sc)
 	ath9k_hw_setrxfilter(ah, rfilt);
 
 	/* configure bssid mask */
-	if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
-		ath_hw_setbssidmask(common);
+	ath_hw_setbssidmask(common);
 
 	/* configure operational mode */
 	ath9k_hw_setopmode(ah);