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/networking/gdomap.nix

@@ -0,0 +1,29 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  #
+  # interface
+  #
+  options = {
+    services.gdomap = {
+      enable = mkEnableOption "GNUstep Distributed Objects name server";
+   };
+  };
+
+  #
+  # implementation
+  #
+  config = mkIf config.services.gdomap.enable {
+    # NOTE: gdomap runs as root
+    # TODO: extra user for gdomap?
+    systemd.services.gdomap = {
+      description = "gdomap server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      path  = [ pkgs.gnustep.base ];
+      serviceConfig.ExecStart = "${pkgs.gnustep.base}/bin/gdomap -f";
+    };
+  };
+}