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/xbanish.nix

@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.services.xbanish;
+
+in {
+  options.services.xbanish = {
+
+    enable = mkEnableOption "xbanish";
+
+    arguments = mkOption {
+      description = "Arguments to pass to xbanish command";
+      default = "";
+      example = "-d -i shift";
+      type = types.str;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.user.services.xbanish = {
+      description = "xbanish hides the mouse pointer";
+      wantedBy = [ "graphical-session.target" ];
+      partOf = [ "graphical-session.target" ];
+      serviceConfig.ExecStart = ''
+        ${pkgs.xbanish}/bin/xbanish ${cfg.arguments}
+      '';
+      serviceConfig.Restart = "always";
+    };
+  };
+}