uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/modules/services/desktops/tumbler.nix

@@ -0,0 +1,52 @@
+# Tumbler
+
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.tumbler;
+
+in
+
+{
+
+  imports = [
+    (mkRemovedOptionModule
+      [ "services" "tumbler" "package" ]
+      "")
+  ];
+
+  meta = with lib; {
+    maintainers = with maintainers; [ ] ++ teams.pantheon.members;
+  };
+
+  ###### interface
+
+  options = {
+
+    services.tumbler = {
+
+      enable = mkEnableOption "Tumbler, A D-Bus thumbnailer service";
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = with pkgs.xfce; [
+      tumbler
+    ];
+
+    services.dbus.packages = with pkgs.xfce; [
+      tumbler
+    ];
+
+  };
+
+}