[FS#704] brcmfmac / Raspberry Pi 3 / wifi not working / adhoc and 80211s-mode

[LEDE Bugs]

The following task has a new comment added:

FS#704 - brcmfmac / Raspberry Pi 3 / wifi not working / adhoc and 80211s-mode
User who did this - Álvaro Fernández Rojas (Noltari)

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I've suggested the following //fix// to nbd:
https://gist.github.com/Noltari/492657225e6b292baff72b17234e85eb
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=704#comment2474