Change in coreboot[master]: soc/intel/denverton_ns: Use `popcnt()` helper

[Felix Held (Code Review)]

Attention is currently required from: Mariusz Szafrański, Paul Menzel, Suresh Bellampalli, Vanessa Eusebio, Angel Pons, Michal Motyl, Patrick Rudolph.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58912 )

Change subject: soc/intel/denverton_ns: Use `popcnt()` helper
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Patch Set 3: Code-Review+2

(1 comment)

Patchset:

PS1:
> I’d prefer, explicitly mentioning the possible change of bahavior/functional change.

i like the new commit message; at least for me it now mentions everything that i want to know