Change in coreboot[master]: soc/amd/common: Move Agesa related headers

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Change subject: soc/amd/common: Move Agesa related headers
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Patch Set 5: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19190/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64380/ : SUCCESS