[coreboot-gerrit] Change in coreboot[master]: arch/x86/exception: Add support for printing stack to x86_64

[Angel Pons (Code Review)]

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/43356 )

Change subject: arch/x86/exception: Add support for printing stack to x86_64
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Patch Set 1:
> Patch Set 1:
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> I did not actually test this since I don't have an x86_64 compatible system.

Adding Patrick Rudolph since he has been working on x86_64