I flashed the latest release on my T400 today and am happy to report that, as far as I can tell, absolutely everything works--clock, wifi, video (grub and gnu/linux), even resume from suspend (I'm running linux 4.5).
The two benign/cosmetic errors during boot can be silenced by using these kernel boot parameters (e.g., by adding it to /etc/default/grub): "quiet intremap=off loglevel=3". A big thank you to all you tireless, talented developers. Libreboot was the missing piece. GNU + Linux + Libreboot forever <3
