Bug#984844: 984844 was fixed by upgrading firmware-brcm80211

[Ryutaroh Matsumoto]

Control: reassign -1 firmware-brcm80211 20201218-3
Control: close -1 20210315-1

The symptom #984844 disappeared by upgrading firmware-brcm80211
from 20201218-3 to 20210315-1. Ryutaroh