wifi: rtw89: collect and send RF parameters to firmware for WoWLAN

For WoWLAN mode, we only collect and send RF parameters to Firmware
without writing RF registers. So we add one function to practice it.

Signed-off-by: Chih-Kang Chang <gary.chang@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/20221027052707.14605-2-pkshih@realtek.com