nixconfig/modules/nixos/system/hw/base/default.nix

{ config, lib, ... }: {
  services.fwupd.enable = lib.mkDefault (config.syscfg.make.gui || config.syscfg.make.power);
  hardware.enableAllFirmware = false;
  services.power-profiles-daemon.enable = lib.mkDefault config.syscfg.make.gui;
}