The verification passed for groovy.

ubuntu@ubuntu:~$ apt-cache policy linux-firmware-raspi2
linux-firmware-raspi2:
  Installed: 2-0ubuntu2
  Candidate: 4-0ubuntu0~20.10.1
  Version table:
     4-0ubuntu0~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-proposed/restricted armhf Packages
     3-0ubuntu2~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-updates/restricted armhf Packages
 *** 2-0ubuntu2 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy/restricted armhf Packages
        100 /var/lib/dpkg/status

ubuntu@ubuntu:~$ sudo apt install linux-firmware-raspi2
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  linux-firmware-raspi2
1 upgraded, 0 newly installed, 0 to remove and 139 not upgraded.
Need to get 5396 kB of archives.
After this operation, 97.3 kB of additional disk space will be used.
Get:1 http://ports.ubuntu.com/ubuntu-ports groovy-proposed/restricted armhf linux-firmware-raspi2 armhf 4-0ubuntu0~20.10.1 [5396 kB]
Fetched 5396 kB in 1s (5761 kB/s)
(Reading database ... 68075 files and directories currently installed.)
Preparing to unpack .../linux-firmware-raspi2_4-0ubuntu0~20.10.1_armhf.deb ...
Adding 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.bin to /lib/firmware/brcm/brcmfmac43436-sdio.bin.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.clm_blob to /lib/firmware/brcm/brcmfmac43436-sdio.clm_blob.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.txt to /lib/firmware/brcm/brcmfmac43436-sdio.txt.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.clm_blob to /lib/firmware/brcm/brcmfmac43455-sdio.clm_blob.distrib by linux-firmware-raspi2'
Ignoring request to rename file '/lib/firmware/brcm/brcmfmac43455-sdio.clm_blob' owned by diverting package 'linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.bin to /lib/firmware/brcm/brcmfmac43456-sdio.bin.distrib by linux-firmware-raspi2'
Ignoring request to rename file '/lib/firmware/brcm/brcmfmac43456-sdio.bin' owned by diverting package 'linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.clm_blob to /lib/firmware/brcm/brcmfmac43456-sdio.clm_blob.distrib by linux-firmware-raspi2'
Ignoring request to rename file '/lib/firmware/brcm/brcmfmac43456-sdio.clm_blob' owned by diverting package 'linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-model-b.txt to /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-model-b.txt.distrib by linux-firmware-raspi2'
Ignoring request to rename file '/lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-model-b.txt' owned by diverting package 'linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-compute-module.txt to /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-compute-module.txt.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,400.txt to /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,400.txt.distrib by linux-firmware-raspi2'
Ignoring request to rename file '/lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,400.txt' owned by diverting package 'linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt to /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,400.txt to /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,400.txt.distrib by linux-firmware-raspi2'
Adding 'diversion of /lib/firmware/brcm/brcmfmac43430-sdio.clm_blob to /lib/firmware/brcm/brcmfmac43430-sdio.clm_blob.distrib by linux-firmware-raspi2'
Unpacking linux-firmware-raspi2 (4-0ubuntu0~20.10.1) over (2-0ubuntu2) ...
Setting up linux-firmware-raspi2 (4-0ubuntu0~20.10.1) ...
Processing triggers for flash-kernel (3.100ubuntu4) ...
Using DTB: bcm2711-rpi-4-b.dtb
Installing /lib/firmware/5.8.0-1006-raspi/device-tree/bcm2711-rpi-4-b.dtb into /boot/dtbs/5.8.0-1006-raspi/./bcm2711-rpi-4-b.dtb