Depend on util-linux-extra or older util-linux

As of util-linux v2.38-1, the hwclock binary was moved
to the separate util-linux-extra package. So either depend
on util-linux-extra (available with bookworm and newer),
or older util-linux (for releases before bookworm).

Fixes:

| [ FAIL ] Problem running hwclock: config_time:36: command not found: hwclock