[coreboot-gerrit] Change in coreboot[master]: security: Document logic to verify stage/blob using vboot 2.1 library

[Julius Werner (Code Review)]

Julius Werner has abandoned this change. ( https://review.coreboot.org/c/coreboot/+/32159 )

Change subject: security: Document logic to verify stage/blob using vboot 2.1 library
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Abandoned

This direction of development was abandoned and instead the CONFIG_CBFS_VERIFICATION effort is intended to solve this use case.