Change in coreboot[master]: soc/intel/denverton_ns: Enable common code for CPU

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Change subject: soc/intel/denverton_ns: Enable common code for CPU
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Patch Set 3:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/69505/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/23821/ : SUCCESS