ath10k: introduce NO_P2P fw feature flag

Not each ath10k FW track supports P2P (10.X for instance does not)
This new firmware feature flag allows to turn off P2P interface type.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/core.h

@@ -306,6 +306,9 @@ enum ath10k_fw_features {
 	/* firmware support tx frame management over WMI, otherwise it's HTT */
 	ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
 
+	/* Firmware does not support P2P */
+	ATH10K_FW_FEATURE_NO_P2P = 3,
+
 	/* keep last */
 	ATH10K_FW_FEATURE_COUNT,
 };

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

@@ -3673,9 +3673,12 @@ int ath10k_mac_register(struct ath10k *ar)
 	ar->hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC) |
-		BIT(NL80211_IFTYPE_AP) |
-		BIT(NL80211_IFTYPE_P2P_CLIENT) |
-		BIT(NL80211_IFTYPE_P2P_GO);
+		BIT(NL80211_IFTYPE_AP);
+
+	if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
+		ar->hw->wiphy->interface_modes |=
+			BIT(NL80211_IFTYPE_P2P_CLIENT) |
+			BIT(NL80211_IFTYPE_P2P_GO);
 
 	ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
 			IEEE80211_HW_SUPPORTS_PS |