rtw89: declare HE capabilities in 6G band

To work properly in 6G band, declare HE 6G capabilities. Without this fix,
it can only TX/RX with OFDM rates.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220307012741.6371-1-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/core.c

@@ -2434,6 +2434,18 @@ static void rtw89_init_he_cap(struct rtw89_dev *rtwdev,
 			he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16(mcs_map);
 		}
 
+		if (band == NL80211_BAND_6GHZ) {
+			__le16 capa;
+
+			capa = le16_encode_bits(IEEE80211_HT_MPDU_DENSITY_NONE,
+						IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
+			       le16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
+						IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
+			       le16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
+						IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
+			iftype_data[idx].he_6ghz_capa.capa = capa;
+		}
+
 		idx++;
 	}