Change in coreboot[master]: payloads: Add an option to compress secondary payloads

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Change subject: payloads: Add an option to compress secondary payloads
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/67159/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/21721/ : SUCCESS