Add hardware config and fix hummelberg build

defaults/hardware/amd-board.nix

@@ -0,0 +1,38 @@
+{ config, lib, pkgs, modulesPath, ... }: {
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "xhci_pci"
+    "ahci"
+    "virtio-pci"
+    "igb"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" "uhid" ];
+  boot.extraModulePackages = [ ];
+  boot.kernelParams = [ "acpi_enforce_resources=lax" ];
+
+  hardware.cpu.amd.updateMicrocode = true;
+  nix.maxJobs = lib.mkDefault 24;
+
+  powerManagement.powerUpCommands = let
+    forceThunderboltOnScript =
+      pkgs.writeScriptBin "force-thunderbolt-power-on" ''
+        #!${pkgs.stdenv.shell}
+
+        #echo 'on' > '/sys/bus/pci/devices/0000:03:00.0/power/control'; #TODO: Is the main controller required?
+
+        THUNDERBOLT_DEVICES="$(${pkgs.pciutils}/bin/lspci -D | ${pkgs.gnugrep}/bin/grep -i thunderbolt | cut --delimiter=' ' --fields=1)"
+
+        echo "Force PCI power on all thunderbolt devices"
+
+        for DEVICE in $THUNDERBOLT_DEVICES; do
+          echo 'on' > "/sys/bus/pci/devices/$DEVICE/power/control"
+        done
+      '';
+  in "${forceThunderboltOnScript}/bin/force-thunderbolt-power-on";
+}