wifi: rtl8xxxu: Enable hw seq for mgmt/non-QoS data frames

Beacon frames are generated by the HW and therefore contain a HW
generated seq number. Enable HW sequence number for other frames to
match that.
mac80211 will tell us via IEEE80211_TX_CTL_ASSIGN_SEQ when that is
necessary.
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230428150833.218605-14-martin.kaistra@linutronix.de

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

@@ -5370,6 +5370,9 @@ rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
 		tx_desc40->txdw4 |= cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE);
 	}
 
+	if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+		tx_desc40->txdw8 |= cpu_to_le32(TXDESC40_HW_SEQ_ENABLE);
+
 	if (short_preamble)
 		tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE);