Given recent work in coreboot and osresearch,
There is same overlap to libreboot based systems, still not needing to use any blobs.
atestation work, relative to GRUB2 https://github.com/Rohde-Schwarz/TrustedGRUB2
given this hardware only uses TPM 1.2 implementation and given one cannot use it without ME, according to: https://github.com/osresearch/heads/issues/925
this could be fixed by using dyne.org initiated work relating to TBM(not TPM, trusted boot module), talk on it:
Please sugest any improvements on comments so I can add it here in the description.