ieee80211: Add new A-MPDU factor macro for HE 6 GHz peer caps

Add IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR as per IEEE Std 802.11ax-2021,
9.4.2.263 to use for peer max A-MPDU factor in 6 GHz band.

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210913175510.193005-1-jouni@codeaurora.org

include/linux/ieee80211.h

@@ -2084,6 +2084,7 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
 
 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR	20
 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR	16
+#define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR	13
 
 /* 802.11ax HE PHY capabilities */
 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G		0x02