rtw89: set mac_id and port ID to TXWD

One mac_id is corresponding to one connected station, and port ID is a
ID of virtual interfaces. With proper mac_id and port ID, firmware and
hardware can handle a packet with correct context.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220107034239.22002-12-pkshih@realtek.com