Change in coreboot[master]: commonlib: Add timestamp codes for AGESA

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Change subject: commonlib: Add timestamp codes for AGESA
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19185/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64375/ : SUCCESS