wifi: rtw89: mac: correct MUEDCA setting for MAC-1

Consider mac_idx as an argument to set this register to disable QoS NULL
update MUEDCA timer.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240209065229.34515-5-pkshih@realtek.com

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

@@ -995,7 +995,8 @@ static int tmac_init_be(struct rtw89_dev *rtwdev, u8 mac_idx)
 {
 	u32 reg;
 
-	rtw89_write32_clr(rtwdev, R_BE_TB_PPDU_CTRL, B_BE_QOSNULL_UPD_MUEDCA_EN);
+	reg = rtw89_mac_reg_by_idx(rtwdev, R_BE_TB_PPDU_CTRL, mac_idx);
+	rtw89_write32_clr(rtwdev, reg, B_BE_QOSNULL_UPD_MUEDCA_EN);
 
 	reg = rtw89_mac_reg_by_idx(rtwdev, R_BE_WMTX_TCR_BE_4, mac_idx);
 	rtw89_write32_mask(rtwdev, reg, B_BE_EHT_HE_PPDU_4XLTF_ZLD_USTIMER_MASK, 0x12);