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