wifi: mt76: mt7996: add max mpdu len capability

Set max mpdu len to 11454 according to hardware capability.
Without this patch, the max ampdu length would be 3895 and count not get
expected performance.

Fixes: 348533e ("wifi: mt76: mt7996: add EHT capability init")
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>

Author: Peter Chiu

drivers/net/wireless/mediatek/mt76/mt7996/init.c

@@ -1307,7 +1307,9 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
 
 	eht_cap_elem->mac_cap_info[0] =
 		IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
-		IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
+		IEEE80211_EHT_MAC_CAP0_OM_CONTROL |
+		u8_encode_bits(IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454,
+			       IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK);
 
 	eht_cap_elem->phy_cap_info[0] =
 		IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |