wifi: rtw89: coex: Add path control register to monitor list

Chips use similar hardware for path control, but could different
path/antenna configuration. Add these register to monitor, if there are
wrong settings, these register can help to debug.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230412012831.10519-3-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/rtw8852b.c

@@ -364,7 +364,9 @@ static const struct rtw89_btc_fbtc_mreg rtw89_btc_8852b_mon_reg[] = {
 	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xd200),
 	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xd220),
 	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x980),
-	RTW89_DEF_FBTC_MREG(REG_BT_MODEM, 4, 0x178),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x4738),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x4688),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x4694),
 };
 
 static const u8 rtw89_btc_8852b_wl_rssi_thres[BTC_WL_RSSI_THMAX] = {70, 60, 50, 40};

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -2576,6 +2576,9 @@ static const struct rtw89_btc_fbtc_mreg rtw89_btc_8852c_mon_reg[] = {
 	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xd200),
 	RTW89_DEF_FBTC_MREG(REG_MAC, 4, 0xd220),
 	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x980),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x4aa4),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x4778),
+	RTW89_DEF_FBTC_MREG(REG_BB, 4, 0x476c),
 };
 
 static