[L] Change in coreboot[main]: SNB/BD82x6x boards: Remove old USB configurations

[Paul Menzel (Code Review)]

Attention is currently required from: Alexander Couzens, Angel Pons, Evgeny Zinoviev, Keith Hui, Kevin Keijzer.

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81882?usp=email )

Change subject: SNB/BD82x6x boards: Remove old USB configurations
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Patch Set 2:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/81882/comment/b6e704b8_63af6248 :
PS2, Line 7: SNB/BD82x6x boards:
Maybe (to start with lowercase letter):
> mb: SNB/BD82x6x: …

https://review.coreboot.org/c/coreboot/+/81882/comment/306eb605_4914a61d :
PS2, Line 13: 
It’d be great if you documented the boards, the tested boards.

Patchset:

PS2: 
Great work. Thank you.