[coreboot-gerrit] [XS] Change in coreboot[main]: util/hda-decoder: Protect 'fields' slice if empty string

[Angel Pons (Code Review)]

Attention is currently required from: Maxim, Nicholas Sudsgaard.

Angel Pons has posted comments on this change by Maxim. ( https://review.coreboot.org/c/coreboot/+/84101?usp=email )

Change subject: util/hda-decoder: Protect 'fields' slice if empty string
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Patch Set 2: Code-Review+2