ath6kl: Use bit field macros to maintain wlan enabled and disabled status

Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index fe61871..d574d08 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -584,7 +584,7 @@
 	init_netdev(dev);
 
 	ar->net_dev = dev;
-	ar->wlan_state = WLAN_ENABLED;
+	set_bit(WLAN_ENABLED, &ar->flag);
 
 	ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
 
@@ -1239,7 +1239,7 @@
 	if (ar->wlan_pwr_state != WLAN_POWER_STATE_CUT_PWR)
 		ath6kl_stop_endpoint(ndev, false, true);
 
-	ar->wlan_state = WLAN_DISABLED;
+	clear_bit(WLAN_ENABLED, &ar->flag);
 }
 
 /*