Change in coreboot[master]: device/pci: Add MSI-X helper functions

[build bot (Jenkins) (Code Review)]

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Change subject: device/pci: Add MSI-X helper functions
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Patch Set 5:

Build Failed

https://qa.coreboot.org/job/coreboot-gerrit/73640/ : FAILURE

https://qa.coreboot.org/job/coreboot-checkpatch/27756/ : SUCCESS