Flashing libreboot from within PrawnOS

Unfortunately, chromeos is still your best bet for getting libreboot flashed. They use a modified version of flashrom with added support for the specific ROM setup the c201 uses. I'm looking into getting it built, but it doesn't look well documented. The issue for tracking progress of this is here: https://github.com/SolidHal/PrawnOS/issues/53

You can always flash externally though if you don't want to wait. It can be done with a beaglebone or rpi if you don't have the specific flasher.