Change in coreboot[master]: soc/intel/common/smbus: Add `finalize` operation for smbus

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Felix Singer, Subrata Banik, Angel Pons, Arthur Heymans, Nick Vaccaro, Lean Sheng Tan, Eric Lai, Werner Zeh.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63640 )

Change subject: soc/intel/common/smbus: Add `finalize` operation for smbus
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Patch Set 6:

(1 comment)

File src/soc/intel/common/block/smbus/smbus.c:

https://review.coreboot.org/c/coreboot/+/63640/comment/e51ab175_8804a5ed 
PS5, Line 77: tco_lockdown();
> t's important to ensure that TCO base address is locked before running 3rd party code

Then it's already too late? running option ROMs happens during PCI device initialization (.init), so by .final, it's already happened.