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/inspircd.nix

@@ -0,0 +1,62 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.inspircd;
+
+  configFile = pkgs.writeText "inspircd.conf" cfg.config;
+
+in {
+  meta = {
+    maintainers = [ lib.maintainers.sternenseemann ];
+  };
+
+  options = {
+    services.inspircd = {
+      enable = lib.mkEnableOption "InspIRCd";
+
+      package = lib.mkOption {
+        type = lib.types.package;
+        default = pkgs.inspircd;
+        defaultText = lib.literalExpression "pkgs.inspircd";
+        example = lib.literalExpression "pkgs.inspircdMinimal";
+        description = ''
+          The InspIRCd package to use. This is mainly useful
+          to specify an overridden version of the
+          <literal>pkgs.inspircd</literal> dervivation, for
+          example if you want to use a more minimal InspIRCd
+          distribution with less modules enabled or with
+          modules enabled which can't be distributed in binary
+          form due to licensing issues.
+        '';
+      };
+
+      config = lib.mkOption {
+        type = lib.types.lines;
+        description = ''
+          Verbatim <literal>inspircd.conf</literal> file.
+          For a list of options, consult the
+          <link xlink:href="https://docs.inspircd.org/3/configuration/">InspIRCd documentation</link>, the
+          <link xlink:href="https://docs.inspircd.org/3/modules/">Module documentation</link>
+          and the example configuration files distributed
+          with <literal>pkgs.inspircd.doc</literal>
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.inspircd = {
+      description = "InspIRCd - the stable, high-performance and modular Internet Relay Chat Daemon";
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "network.target" ];
+
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = ''
+          ${lib.getBin cfg.package}/bin/inspircd start --config ${configFile} --nofork --nopid
+        '';
+        DynamicUser = true;
+      };
+    };
+  };
+}