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/system-config-printer.nix

@@ -0,0 +1,41 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.system-config-printer = {
+
+      enable = mkEnableOption "system-config-printer, a service for CUPS administration used by printing interfaces";
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf config.services.system-config-printer.enable {
+
+    services.dbus.packages = [
+      pkgs.system-config-printer
+    ];
+
+    systemd.packages = [
+      pkgs.system-config-printer
+    ];
+
+    services.udev.packages = [
+      pkgs.system-config-printer
+    ];
+
+    # for $out/bin/install-printer-driver
+    services.packagekit.enable = true;
+
+  };
+
+}