Change in coreboot[master]: soc/intel/skylake: Move Enable power button SMI code from smi.c to pmc.c

[build bot (Jenkins) (Code Review)]

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Change subject: soc/intel/skylake: Move Enable power button SMI code from smi.c to pmc.c
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Patch Set 7:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19638/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64863/ : SUCCESS