[coreboot-gerrit] [M] Change in coreboot[main]: util/cbmem: Remove global variables in favor of function calls

[Jakub "Kuba" Czapiga (Code Review)]

Attention is currently required from: Konrad Adamczyk.

Jakub "Kuba" Czapiga has posted comments on this change by Jakub "Kuba" Czapiga. ( https://review.coreboot.org/c/coreboot/+/86488?usp=email )

Change subject: util/cbmem: Remove global variables in favor of function calls
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