wifi: rtw89: 8852bt: rfk: add RCK

RCK is synchronize RC calibration. Driver triggers this calibration and
writes the result to registers.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240627025849.25198-5-pkshih@realtek.com