Comment 7 for bug 1912385

This bug is fixed in the current version of focal:

ubuntu@ubuntu:~$
ubuntu@ubuntu:~$ apt-cache policy linux-firmware-raspi2
linux-firmware-raspi2:
  Installed: 4-0ubuntu0~20.04.1
  Candidate: 4-0ubuntu0~20.04.1
  Version table:
 *** 4-0ubuntu0~20.04.1 500
        500 http://ports.ubuntu.com/ubuntu-ports focal-updates/multiverse armhf Packages
        100 /var/lib/dpkg/status
     1.20200212-0ubuntu1 500
        500 http://ports.ubuntu.com/ubuntu-ports focal/multiverse armhf Packages
ubuntu@ubuntu:~$ cat /proc/device-tree/model; echo
Raspberry Pi Compute Module 4 Rev 1.0
ubuntu@ubuntu:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether dc:a6:32:fe:ba:b0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.56/24 brd 192.168.0.255 scope global dynamic eth0
       valid_lft 42801sec preferred_lft 42801sec
    inet6 fe80::dea6:32ff:fefe:bab0/64 scope link
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether dc:a6:32:fe:ba:b1 brd ff:ff:ff:ff:ff:ff
ubuntu@ubuntu:~$