[flashrom-gerrit] Change in flashrom[master]: layout: Add a helper to get number of '-i' args with files

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Change subject: layout: Add a helper to get number of '-i' args with files
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/flashrom-customrules/1049/ : SUCCESS

https://qa.coreboot.org/job/flashrom_gerrit/895/ : SUCCESS