Change in coreboot[master]: Boards w/ Winbond superios: Use common config entry code

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Change subject: Boards w/ Winbond superios: Use common config entry code
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/58509/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/13910/ : SUCCESS