Comment 5 for bug 1885832

Steps to verify this package from -proposed:
1. Install oem focal image on charizard platform
2. Remove pre-loaded "oem-stella.cmit-charizard-meta"
3. Disable OEM archive from source list
4. Enable focal-proposed.
5. sudo ubuntu-driver install
6. Confirmed the "oem-stella.cmit-charizard-meta" is installed and the version is "20.04~ubuntu1"
```
$ apt policy oem-stella.cmit-charizard-meta
oem-stella.cmit-charizard-meta:
  Installed: 20.04~ubuntu1
  Candidate: 20.04~ubuntu1
  Version table:
 *** 20.04~ubuntu1 500
        500 http://tw.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        500 http://tw.archive.ubuntu.com/ubuntu focal-proposed/main i386 Packages
        100 /var/lib/dpkg/status
```
7. Enable OEM archive in source list
```
$ apt policy oem-stella.cmit-charizard-meta
oem-stella.cmit-charizard-meta:
  Installed: 20.04~ubuntu1
  Candidate: 20.04ubuntu7
  Version table:
     20.04ubuntu7 500
        500 http://hp.archive.canonical.com focal/stella.cmit amd64 Packages
        500 http://hp.archive.canonical.com focal/stella.cmit i386 Packages
 *** 20.04~ubuntu1 500
        500 http://tw.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        500 http://tw.archive.ubuntu.com/ubuntu focal-proposed/main i386 Packages
        100 /var/lib/dpkg/status
```
8. sudo apt install oem-stella.cmit-charizard-meta
9. Confirmed "oem-stella.cmit-charizard-meta" can be upgraded to latest version from OEM archive
```
$ dpkg -l oem-stella.cmit-charizard-meta
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============================-============-============-===================================================
ii oem-stella.cmit-charizard-meta 20.04ubuntu7 all hardware support for Stella Cmit Charizard platform
```