wifi: rtw88: main: Add the {cpwm,rpwm}_addr for SDIO based chipsets

Initialize the rpwm_addr and cpwm_addr for power-saving support on SDIO
based chipsets.

Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230405200729.632435-5-martin.blumenstingl@googlemail.com