Change in coreboot[master]: Documentation/infra/builders.md: Fix markdown inssues

[Martin L Roth (Code Review)]

Attention is currently required from: Felix Singer, Angel Pons.
Martin L Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63804 )

Change subject: Documentation/infra/builders.md: Fix markdown inssues
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Patch Set 1:

(1 comment)

File Documentation/infrastructure/builders.md:

https://review.coreboot.org/c/coreboot/+/63804/comment/66bb5b21_fcedcae1 
PS1, Line 52:  Gleefulbuilder - 64 thread, 64GiB RAM
> The leading asterisk is gone, does it matter?

Yeah, it does.  Let me look this over again.

...

It looks like the errors had gone away because I completely messed up the markdown.