[FS#929] mt7620 abysmal wifi performance

[LEDE Bugs]

The following task has a new comment added:

FS#929 - mt7620 abysmal wifi performance
User who did this - psyborg55 (psyborg55)

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trunk is not expected to have stability. performance is usually lower. my second image is trunk from about10 days ago with minor change nothing special.

on chaos calmer speed is over 100Mbps
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=929#comment3174