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/x11/touchegg.nix

@@ -0,0 +1,38 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.services.touchegg;
+
+in {
+  meta = {
+    maintainers = teams.pantheon.members;
+  };
+
+  ###### interface
+  options.services.touchegg = {
+    enable = mkEnableOption "touchegg, a multi-touch gesture recognizer";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.touchegg;
+      defaultText = literalExpression "pkgs.touchegg";
+      description = "touchegg derivation to use.";
+    };
+  };
+
+  ###### implementation
+  config = mkIf cfg.enable {
+    systemd.services.touchegg = {
+      description = "Touchegg Daemon";
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${cfg.package}/bin/touchegg --daemon";
+        Restart = "on-failure";
+      };
+      wantedBy = [ "multi-user.target" ];
+    };
+
+    environment.systemPackages = [ cfg.package ];
+  };
+}