ath10k: fix low TX rates when IBSS and HT

This fix TX problem when IBSS used in HT mode.
Before we used 6Mbps all the time for TX direction.

Reported-by: Yeoh Chun-Yeow <yeohchunyeow@gmail.com>
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 31354db..719e599 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1468,9 +1468,16 @@
 		if (vif->bss_conf.qos)
 			arg->peer_flags |= WMI_PEER_QOS;
 		break;
+	case WMI_VDEV_TYPE_IBSS:
+		if (sta->wme)
+			arg->peer_flags |= WMI_PEER_QOS;
+		break;
 	default:
 		break;
 	}
+
+	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
+		   sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
 }
 
 static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta)