ath9k: Add p2p go NoA attribute

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 1ff1a75..66a9dc3 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -754,6 +754,8 @@
 			hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
 			hw->wiphy->max_remain_on_channel_duration = 10000;
 			hw->chanctx_data_size = sizeof(void *);
+			hw->extra_beacon_tailroom =
+				sizeof(struct ieee80211_p2p_noa_attr) + 9;
 		}
 	}