wifi: rtw89: 8852c: rfk: correct DACK setting

After filling calibration parameters, set BIT(0) to enable the hardware
circuit, but original set incorrect bit that affects a little TX
performance.

Fixes: 76599a8d

 ("rtw89: 8852c: rfk: add DACK")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221209020940.9573-2-pkshih@realtek.com