phosphor-software-manager: i2c voltage regulator update pkgconfig

Enable configuring the new voltage regulator update daemon.

Includes phosphor-bmc-code-mgmt: srcrev bump f2c95a08ad..7e446a407a

Alexander Hansen (1):
      bios: fix systemd service file

Christopher Meis (1):
      Add i2c voltage regulator updater

Tested: Build image with i2cvr-software-update activated.

```
systemctl | grep -i i2cvr
>* xyz.openbmc_project.Software.I2CVR.service
>   loaded activating start     start Voltage Regulator Software Update Daemon

journalctl -u xyz.openbmc_project.Software.I2CVR.service
> yosemite4 systemd[1]: Starting Voltage Regulator Software Update Daemon...
> yosemite4 systemd[1]: Started Voltage Regulator Software Update Daemon.

busctl tree xyz.openbmc_project.Software.I2CVR
>`- /xyz
>  `- /xyz/openbmc_project
>     `- /xyz/openbmc_project/software
>       `- /xyz/openbmc_project/software/DummyDeviceFirmwareName_246

systemctl status xyz.openbmc_project.Software.I2CVR.service
>* xyz.openbmc_project.Software.I2CVR.service - Voltage Regulator Software Update Daemon
>       Loaded: loaded (/usr/lib/systemd/system/xyz.openbmc_project.Software.I2CVR.service; enabled; preset: enabled)
> Active: active (running) since Thu 2024-12-19 13:26:51 PST; 3 months 21 days ago
> Invocation: 941bf93ba01647b481d019ffd65384c6
> ...

systemctl cat xyz.openbmc_project.Software.I2CVR.service
>[Unit]
>Description=Voltage Regulator Software Update Daemon
>Wants=network.target
>After=network.target
>
>[Service]
>Restart=always
>Type=simple
>RemainAfterExit=no
>ExecStart=/usr/bin/phosphor-i2cvr-software-update
>
>[Install]
>WantedBy=network.target
```

Change-Id: Icf175ddb6fc3031ee4fa040497e9b851a64f68bf
Signed-off-by: Christopher Meis <christopher.meis@9elements.com>