Hello LAVA Team!
Found in manual about adding new device, at begin better to write to you.
Device is: aarch64
Flashing via fastboot (have partition table list)
Device has serial debug connection.
For flashing using next commands:fastboot flash <partition name> <path>
...
...
fastboot set_active a
fastboot reboot
To turn device into fastboot mode need to enter command in serial debug.
Best regards,
Ilya Fedusiv