This bug was fixed in the package linux-firmware-raspi2 - 3-0ubuntu2~20.04.1
--------------- linux-firmware-raspi2 (3-0ubuntu2~20.04.1) focal; urgency=medium
* Backport to focal (LP: #1911687) * Add wifi configuration file for CM4
-- Dave Jones <email address hidden> Thu, 21 Jan 2021 16:21:28 +0000
This bug was fixed in the package linux-firmware- raspi2 - 3-0ubuntu2~20.04.1
--------------- raspi2 (3-0ubuntu2~ 20.04.1) focal; urgency=medium
linux-firmware-
* Backport to focal (LP: #1911687)
* Add wifi configuration file for CM4
-- Dave Jones <email address hidden> Thu, 21 Jan 2021 16:21:28 +0000