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

[LEDE Bugs]

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FS#704 - brcmfmac / Raspberry Pi 3 / wifi not working / adhoc and 80211s-mode
User who did this: Álvaro Fernández Rojas (Noltari)
Severity: Low -> Medium
Priority: Very Low -> Medium

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=704