[coreboot-gerrit] [XL] Change in coreboot[main]: skl mainboards: Move usb{2,3}_ports settings into devicetree

[Felix Singer (Code Review)]

Felix Singer has posted comments on this change by Felix Singer. ( https://review.coreboot.org/c/coreboot/+/83171?usp=email )

Change subject: skl mainboards: Move usb{2,3}_ports settings into devicetree
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