ath9k_hw: Remove CHANNEL_CW_INT

This flag is used for indicating channel interference and
we currently do nothing with it, so remove it.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2a2ae40..e80b563 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1761,10 +1761,8 @@
 		ath9k_hw_getnf(ah, ah->curchan);
 
 	ah->caldata = caldata;
-	if (caldata &&
-	    (chan->channel != caldata->channel ||
-	     (chan->channelFlags & ~CHANNEL_CW_INT) !=
-	     (caldata->channelFlags & ~CHANNEL_CW_INT))) {
+	if (caldata && (chan->channel != caldata->channel ||
+			chan->channelFlags != caldata->channelFlags)) {
 		/* Operating channel changed, reset channel calibration data */
 		memset(caldata, 0, sizeof(*caldata));
 		ath9k_init_nfcal_hist_buffer(ah, chan);