[L] Change in coreboot[master]: soc/intel/denverton_ns: enable Denverton to use common SMM code

[Angel Pons (Code Review)]

Attention is currently required from: Jeff Daly, Mariusz Szafrański, Suresh Bellampalli, Vanessa Eusebio, Kyösti Mälkki, Patrick Rudolph.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61025 )

Change subject: soc/intel/denverton_ns: enable Denverton to use common SMM code
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Patch Set 11: Code-Review+1