Change in coreboot[master]: lenovo/x60: Enable TPM

[Masanori Ogino (Code Review)]

Masanori Ogino has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/13410 )

Change subject: lenovo/x60: Enable TPM
......................................................................

Patch Set 8:
> Patch Set 8:
> > Patch Set 8:
> >
> > I have rebased this, adjusted Kconfig to address comment by Philipp, and remove romstage.c as it is no longer needed.
> > It compiles and boots, but does not work yet. (I got the very same log as Arthur had commented.)
> >
> > Would you mind if I upload new revision?
>
> Thanks a lot for working on this. That would be great!
>
> In general anyone should free to pickup any of my unfinished work as what's most important for me is to have the work done regardless on how it's done or who does it.
>
> Denis.

Thank you!