Add raspberrypi-utils overlay for handling dropped attributes

modules/hosts/uConsole/_private/raspberrypi-utils-overlay.nix

@@ -0,0 +1,14 @@
+# nixpkgs unstable dropped several Raspberry Pi attrs; nixos-raspberrypi modules still
+# reference them but ship derivations under pkgs/raspberrypi/.
+{ inputs, ... }: {
+  nixpkgs.overlays = [
+    (final: _prev:
+      let
+        rp = "${inputs.nixos-raspberrypi}/pkgs/raspberrypi";
+      in
+      {
+        raspberrypi-utils = final.callPackage "${rp}/raspberrypi-utils.nix" { };
+        raspberrypi-udev-rules = final.callPackage "${rp}/udev-rules.nix" { };
+      })
+  ];
+}

modules/hosts/uConsole/configuration.nix

@@ -29,6 +29,7 @@
 
         self.nixosModules."client-services"
         ./_private/platform.nix
+        ./_private/raspberrypi-utils-overlay.nix
         ./_private/wifi-brcmfmac.nix
         ./_private/services.nix
         ./_private/cockpit.nix