wifi: rtw89: 8852bt: rfk: add IQK

IQ signal calibration is a very important calibration to yield good RF
performance. We do this calibration once we are going to an AP. During
scanning phase, without this calibration RF performance is still
acceptable because it transmits and receives with low data rate at
this phase.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240627025849.25198-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/reg.h

@@ -8659,6 +8659,7 @@
 #define R_P0_RFCTM 0x5864
 #define B_P0_CLKG_FORCE GENMASK(31, 30)
 #define B_P0_RFCTM_EN BIT(29)
+#define B_P0_GOT_TXRX GENMASK(28, 27)
 #define B_P0_RFCTM_VAL GENMASK(25, 20)
 #define R_P0_RFCTM_RDY BIT(26)
 #define R_P0_TRSW 0x5868

drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.h

@@ -7,6 +7,7 @@
 
 #include "core.h"
 
+void rtw8852bt_iqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
 void rtw8852bt_dpk_init(struct rtw89_dev *rtwdev);
 void rtw8852bt_dpk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);
 void rtw8852bt_dpk_track(struct rtw89_dev *rtwdev);