Change in coreboot[master]: WIP amd/stoneyridge: Add placeholder for SlpTyp handler in SMI

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Change subject: WIP amd/stoneyridge: Add placeholder for SlpTyp handler in SMI
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/61328/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/16475/ : SUCCESS