Bug#945172: same issue on ThinkPad E490

[joenio@joenio.me <joenio@joenio.me>]

I'm facing the same error on Debian testing running on a Lenovo ThinkPad E490.

root@maelcum:~# uname -a
Linux maelcum 5.4.0-2-amd64 #1 SMP Debian 5.4.8-1 (2020-01-05) x86_64 GNU/Linux

root@maelcum:~# lshw
--------------------------cut--------------------------------
   *-generic UNCLAIMED
        description: Unassigned class
        product: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
        vendor: Realtek Semiconductor Co., Ltd.
        physical id: 0
        bus info: pci@0000:05:00.0
        version: 00
        width: 64 bits
        clock: 33MHz
        capabilities: pm msi pciexpress cap_list
        configuration: latency=0
        resources: ioport:2000(size=256) memory:b1200000-b120ffff
--------------------------cut--------------------------------

root@maelcum:~# dpkg -l firmware-realtek
ii  firmware-realtek 20190717-2   all          Binary firmware for Realtek wired/wifi/BT adapters