ath10k: don't advertise IBSS iftype for 10.x

The 10.x firmware does not support IBSS mode at
all. It can't beacon and it crashes when trying to
scan.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/mac.c

@@ -4733,7 +4733,6 @@ int ath10k_mac_register(struct ath10k *ar)
 
 	ar->hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC) |
 		BIT(NL80211_IFTYPE_AP);
 
 	if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
@@ -4803,6 +4802,8 @@ int ath10k_mac_register(struct ath10k *ar)
 		ar->hw->wiphy->iface_combinations = ath10k_if_comb;
 		ar->hw->wiphy->n_iface_combinations =
 			ARRAY_SIZE(ath10k_if_comb);
+
+		ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
 	}
 
 	ar->hw->netdev_features = NETIF_F_HW_CSUM;