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/iwd.nix

@@ -0,0 +1,71 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib)
+    mkEnableOption mkIf mkOption types
+    recursiveUpdate;
+
+  cfg = config.networking.wireless.iwd;
+  ini = pkgs.formats.ini { };
+  defaults = {
+    # without UseDefaultInterface, sometimes wlan0 simply goes AWOL with NetworkManager
+    # https://iwd.wiki.kernel.org/interface_lifecycle#interface_management_in_iwd
+    General.UseDefaultInterface = with config.networking.networkmanager; (enable && (wifi.backend == "iwd"));
+  };
+  configFile = ini.generate "main.conf" (recursiveUpdate defaults cfg.settings);
+
+in
+{
+  options.networking.wireless.iwd = {
+    enable = mkEnableOption "iwd";
+
+    settings = mkOption {
+      type = ini.type;
+      default = { };
+
+      example = {
+        Settings.AutoConnect = true;
+
+        Network = {
+          EnableIPv6 = true;
+          RoutePriorityOffset = 300;
+        };
+      };
+
+      description = ''
+        Options passed to iwd.
+        See <link xlink:href="https://iwd.wiki.kernel.org/networkconfigurationsettings">here</link> for supported options.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    assertions = [{
+      assertion = !config.networking.wireless.enable;
+      message = ''
+        Only one wireless daemon is allowed at the time: networking.wireless.enable and networking.wireless.iwd.enable are mutually exclusive.
+      '';
+    }];
+
+    environment.etc."iwd/${configFile.name}".source = configFile;
+
+    # for iwctl
+    environment.systemPackages = [ pkgs.iwd ];
+
+    services.dbus.packages = [ pkgs.iwd ];
+
+    systemd.packages = [ pkgs.iwd ];
+
+    systemd.network.links."80-iwd" = {
+      matchConfig.Type = "wlan";
+      linkConfig.NamePolicy = "keep kernel";
+    };
+
+    systemd.services.iwd = {
+      wantedBy = [ "multi-user.target" ];
+      restartTriggers = [ configFile ];
+    };
+  };
+
+  meta.maintainers = with lib.maintainers; [ mic92 dtzWill ];
+}