Change in coreboot[master]: [WIP]src/lib: Add uImage support

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Change subject: [WIP]src/lib: Add uImage support
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Patch Set 9: Verified-1

Build Unstable

https://qa.coreboot.org/job/coreboot-gerrit/69535/ : UNSTABLE

https://qa.coreboot.org/job/coreboot-checkpatch/23850/ : SUCCESS