wifi: rtw89: 8922a: add chip_ops::cfg_txrx_path

This function is to set TX/RX path. Especially for 1SS rate, it can select
to TX on one or two antenna. Before this operation, stop hardware to
prevent transmitting/receiving unexpected packets. After that, restore
settings and reset hardware to prevent it stays on abnormal state.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033637.12330-4-pkshih@realtek.com