mac80211: use 802.11ax iw modes

This adds missing HE modes to mac80211_prepare_ht_modes.

Previously mesh without wpa_supplicant would be initialized with 802.11g
/NO-HT only, as this method did not parse channel bandwidth for HE
operation.

Signed-off-by: David Bauer <mail@david-bauer.net>
(cherry picked from commit a63430eac3)

package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh

@@ -800,8 +800,8 @@ mac80211_setup_supplicant_noctl() {
 
 mac80211_prepare_iw_htmode() {
 	case "$htmode" in
-		VHT20|HT20) iw_htmode=HT20;;
-		HT40*|VHT40|VHT160)
+		VHT20|HT20|HE20) iw_htmode=HT20;;
+		HT40*|VHT40|VHT160|HE40)
 			case "$band" in
 				2g)
 					case "$htmode" in
@@ -825,7 +825,7 @@ mac80211_prepare_iw_htmode() {
 			esac
 			[ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
 		;;
-		VHT80)
+		VHT80|HE80)
 			iw_htmode="80MHZ"
 		;;
 		NONE|NOHT)