[flashrom-gerrit] Change in flashrom[master]: file: add new helper functions to grok FDT nodes

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Change subject: file: add new helper functions to grok FDT nodes
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Patch Set 2:

Build Successful

https://qa.coreboot.org/job/flashrom_gerrit/777/ : SUCCESS

https://qa.coreboot.org/job/flashrom-customrules/888/ : SUCCESS