[S] Change in coreboot[main]: mb/*: Drop xhci_overcurrent_map for the easy ones

[Keith Hui (Code Review)]

Attention is currently required from: Alexander Couzens, Kevin Keijzer, Nicholas Chin, Paul Menzel.

Keith Hui has posted comments on this change by Keith Hui. ( https://review.coreboot.org/c/coreboot/+/85923?usp=email )

Change subject: mb/*: Drop xhci_overcurrent_map for the easy ones
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Patch Set 4:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/85923/comment/36a4a2a9_d27a34c5?usp... :
PS3, Line 7: I
> Yes, it's Roman numeral 1.

Well I changed it to easy and hard.

https://review.coreboot.org/c/coreboot/+/85923/comment/5b95a656_5c55f6c9?usp... :
PS3, Line 12:
> Not yet. To test it on my p8z77-m later.

This patch is now on my personal p8z77-m and the final values that made hardware is the same. This is the only IVB/x7x board I have at this time.