wifi: rtw88: 8822c: add iface combination

Allow 8822c to operate two interface concurrently, only 1 AP mode plus
1 station mode under same frequency is supported. Combination of other
types will not be added until requested.

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://lore.kernel.org/r/20230414121331.18062-1-pkshih@realtek.com