Change in coreboot[master]: soc/intel/skylake: add Kabylake Celeron base SKU

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/21617 )

Change subject: soc/intel/skylake: add Kabylake Celeron base SKU
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Patch Set 2:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/60906/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/16092/ : SUCCESS