[FS#896] mt7620 - dropping frames (WiFi)

[LEDE Bugs]

The following task has a new comment added:

FS#896 - mt7620 - dropping frames (WiFi)
User who did this - Chen Minqiang (ptpt52)

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My device is miwifi-r3
and I am writing a watchdog to resort this issue:

https://github.com/openwrt/openwrt/pull/803
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=896#comment4478