Good news. Full-fledged working images (20210827) of ArmbianTV for P2 and M2 are ready. All the equipment works in them and you can start and configure the system via an HDMI monitor and a keyboard/mouse.
M2
https://disk.yandex.ru/d/OBDO8BU2y1M6ug
https://users.armbian.com/balbes150/rk3566/
P2
https://disk.yandex.ru/d/neKXsYolKXgLzg
https://users.armbian.com/balbes150/rk3568/
Unrelated question.
How do you "officially" boot to Armbian on Stationpc P2? Even with SD card inserted the system always boots to StationOS.
I installed Armbian by enabling multi boot, booting to older Armbian, writing the vendor update then removing multiboot. Is this the official way?