Change in coreboot[master]: util/sconfig: Get rid of ops from struct device

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Change subject: util/sconfig: Get rid of ops from struct device
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Patch Set 2:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/29313/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/75254/ : SUCCESS