Pointless IMO.
I doubt those guys have the skill to do so but for those who do - you'd spend tens of thousands in order to have a port for an old machine that still is stuck with ME and hardware init done entirely by binary blobs.
I would save your money and instead buy an ivy/sandybridge thinkpad (can nerf the ME - but not disable which is impossible) or a G505S (owner controlled, no ME/PSP) and maybe also buy a KCMA-D8 (libre firmware, no ME/PSP thus owner controlled and can play the latest games at max settings in a VM with a good AMD graphics card) or TALOS 2 (open source firmware, it is a brand new high performance OpenPOWER system, it is a true special rarity) etc.