wifi: rtw89: 8922a: add more fields to beacon H2C command to support multi-links

To support multi-links beacon, it needs more fields. But currently we still
only support legacy AP mode. Only update struct to fit expected size of
firmware.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-8-pkshih@realtek.com