Change in coreboot[master]: drivers/elog: Fix debug build errors

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/21769 )

Change subject: drivers/elog: Fix debug build errors
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Patch Set 3: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/61371/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/16512/ : SUCCESS