[FS#557] Nexx wt3020 wifi rx sensitivity low with LEDE 17.01

[LEDE Bugs]

The following task has a new comment added:

FS#557 - Nexx wt3020 wifi rx sensitivity low with LEDE 17.01
User who did this - psyborg55 (psyborg55)

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this is the report i got about mt7620n devices. probably unrelated at all to these registers
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https://bugs.lede-project.org/index.php?do=details&task_id=557#comment3319