Change in coreboot[master]: soc/intel/common: Allow overriding CBFS filename of VBT

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/21724 )

Change subject: soc/intel/common: Allow overriding CBFS filename of VBT
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Patch Set 2: Verified-1

Build Failed

https://qa.coreboot.org/job/coreboot-gerrit/61268/ : ABORTED

https://qa.coreboot.org/job/coreboot-checkpatch/16415/ : SUCCESS