Change in coreboot[master]: pcengines/apu2: add support for apu4 variant

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build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/22629 )

Change subject: pcengines/apu2: add support for apu4 variant
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Patch Set 1: Verified-1

Build Failed

https://qa.coreboot.org/job/coreboot-gerrit/63892/ : ABORTED

https://qa.coreboot.org/job/coreboot-checkpatch/18757/ : SUCCESS