wifi: rtw89: correct polling address of address CAM

Writing address to kick hardware to initialize address CAM, and then poll
ready bit to determine completed. Old wrong code poll wrong register
address, so it can lead error and fail to bring up interface.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220826061011.9037-2-pkshih@realtek.com