iwlwifi: name changed from "fat" to "ht40"

Rename "fat" to "ht40"
The term "fat channel" is deprecated in favor of "HT40"

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index def1254..c6633fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -214,10 +214,10 @@
 	sta_flags |= cpu_to_le32(
 	      (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
 
-	if (iwl_is_fat_tx_allowed(priv, sta_ht_inf))
-		sta_flags |= STA_FLG_FAT_EN_MSK;
+	if (iwl_is_ht40_tx_allowed(priv, sta_ht_inf))
+		sta_flags |= STA_FLG_HT40_EN_MSK;
 	else
-		sta_flags &= ~STA_FLG_FAT_EN_MSK;
+		sta_flags &= ~STA_FLG_HT40_EN_MSK;
 
 	priv->stations[index].sta.station_flags = sta_flags;
  done: