Change in coreboot[master]: ifdtool: merge region_filenames with region_name(s)

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/21509 )

Change subject: ifdtool: merge region_filenames with region_name(s)
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Patch Set 4:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/15595/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/60376/ : SUCCESS