Change in coreboot[master]: sb/intel/ibexpeak: Use common Intel SMM code

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Change subject: sb/intel/ibexpeak: Use common Intel SMM code
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Patch Set 4:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/73614/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/27725/ : SUCCESS