[coreboot-gerrit] Change in coreboot[master]: arm64: Print a char to UART early in exception handler

[Hung-Te Lin (Code Review)]

Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37465 )

Change subject: arm64: Print a char to UART early in exception handler
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Patch Set 2: Code-Review+1

I think this is basically fine but you probably want to find more people to agree on this behavior change?