[coreboot-gerrit] Change in coreboot[master]: soc/intel/elkhartlake: Hook up FSP hyper-threading setting to option API

[Felix Singer (Code Review)]

Attention is currently required from: Felix Singer, Michael Niewöhner.
Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60546 )

Change subject: soc/intel/elkhartlake: Hook up FSP hyper-threading setting to option API
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Set Ready For Review