Change in coreboot[master]: security/vboot: Build vboot library with same .a that depthcharge uses

[Tim Wawrzynczak (Code Review)]

Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/36341 )

Change subject: security/vboot: Build vboot library with same .a that depthcharge uses
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Patch Set 3:

This one will have to wait until vboot_reference is finished going through review, and then the vboot submodule is updated.