[coreboot-gerrit] Change in coreboot[master]: [TEST] abuild: Default to !CHROMEOS

[Nico Huber (Code Review)]

Attention is currently required from: Matt DeVillier, Julius Werner, Angel Pons.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49056 )

Change subject: [TEST] abuild: Default to !CHROMEOS
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Patch Set 4:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/49056/comment/8259dfe6_63142999 
PS4, Line 7: [TEST]
> Okay, I noticed now that a bunch of mainboards override the default for config CHROMEOS. […]

As long as nobody relies on the `default y` in newer mainboards, I would also
vote for adapting the linter.

I don't remember if there was ever a rule against defaulting to CHROMEOS that
was just forgotten, or if it's just implied by the way abuild is written.