[FS#409] Archer C7 all leds are green

[LEDE Bugs]

The following task has a new comment added:

FS#409 - Archer C7 all leds are green
User who did this - Mathias Kresin (mkresin)

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I had to revert my commit. It was incomplete and the issues isn't that easy fixable.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=409#comment1462