mac80211: Allow HT capa override to add 40 MHz intolerant

This can be useful for testing purposes to confirm valid AP behavior on
HT 20/40 co-existence functionality.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index cfc24e9..5854699 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -445,7 +445,8 @@
 				IEEE80211_HT_CAP_MAX_AMSDU |
 				IEEE80211_HT_CAP_SGI_20 |
 				IEEE80211_HT_CAP_SGI_40 |
-				IEEE80211_HT_CAP_LDPC_CODING),
+				IEEE80211_HT_CAP_LDPC_CODING |
+				IEEE80211_HT_CAP_40MHZ_INTOLERANT),
 	.mcs = {
 		.rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff,
 			     0xff, 0xff, 0xff, 0xff, 0xff, },