The sof-audio-pci-intel-* driver family needs sof-firmware to boot the
DSP, but mainline linux only optdeps it, so affected installs came up
with a Dummy Output sink only. Replace the Panther Lake check with
omarchy-hw-intel-sof, which detects any Intel PCI audio controller.
Ports ffa81021 from master, which adapts basecamp/omarchy#6200.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Remove legacy online installer entrypoints, collapse migrations for 4.0, and move setup responsibilities into target-side system, hardware, and user commands.
