Change in coreboot[master]: soc/intel/skylake: Use pcr write to disable HECI1

[Sridhar Siricilla (Code Review)]

Attention is currently required from: Subrata Banik, Matt DeVillier, Tim Wawrzynczak, Angel Pons, Nick Vaccaro, Patrick Rudolph, EricR Lai.
Sridhar Siricilla has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61433 )

Change subject: soc/intel/skylake: Use pcr write to disable HECI1
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Patch Set 6:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61433/comment/0f9fdbfb_2e956d31 
PS6, Line 7: pcr 
nit: PCR?

https://review.coreboot.org/c/coreboot/+/61433/comment/c2561006_aed8a644 
PS6, Line 10: pcr 
nit: PCR?