Change in coreboot[master]: sb/intel/i82371eb: Consolidate bootblock.c logic

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Change subject: sb/intel/i82371eb: Consolidate bootblock.c logic
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Patch Set 2:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/61014/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/16190/ : SUCCESS