You'd probably flash it using flashrom, just like non-blobless (blobfull?) coreboot. BTW, a really interesting coreboot distribution is https://github.com/osre

You'd probably flash it using flashrom, just like non-blobless (blobfull?) coreboot. BTW, a really interesting coreboot distribution is https://github.com/osresearch/heads https://github.com/osresearch/heads (focused on boot security)