[FS#176] Disapearing radios for ath9k introduced between August 31 and September 4th

[LEDE Bugs]

The following task has a new comment added:

FS#176 - Disapearing radios for ath9k introduced between August 31 and September 4th
User who did this - Felix Fietkau (nbd)

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Pushed to master in r1725

Thanks for testing!
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=176#comment528