@faizalr oh, T60/T60p docs are rare to find. ZeroCat have good docs.

Config for T60 ATI:
http://www.zerocat.org/projects/coreboot-machines/doc/build-coreboot-t60.md

VGA bios extraction from Lenovo BIOS:
http://www.zerocat.org/projects/coreboot-machines/doc/index.html#../doc/t60-vgarom-extraction.md