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/window-managers/default.nix

@@ -0,0 +1,88 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.xserver.windowManager;
+in
+
+{
+  imports = [
+    ./2bwm.nix
+    ./afterstep.nix
+    ./berry.nix
+    ./bspwm.nix
+    ./cwm.nix
+    ./clfswm.nix
+    ./dwm.nix
+    ./e16.nix
+    ./evilwm.nix
+    ./exwm.nix
+    ./fluxbox.nix
+    ./fvwm.nix
+    ./herbstluftwm.nix
+    ./i3.nix
+    ./jwm.nix
+    ./leftwm.nix
+    ./lwm.nix
+    ./metacity.nix
+    ./mlvwm.nix
+    ./mwm.nix
+    ./openbox.nix
+    ./pekwm.nix
+    ./notion.nix
+    ./ratpoison.nix
+    ./sawfish.nix
+    ./smallwm.nix
+    ./stumpwm.nix
+    ./spectrwm.nix
+    ./tinywm.nix
+    ./twm.nix
+    ./windowmaker.nix
+    ./wmderland.nix
+    ./wmii.nix
+    ./xmonad.nix
+    ./yeahwm.nix
+    ./qtile.nix
+    ./none.nix ];
+
+  options = {
+
+    services.xserver.windowManager = {
+
+      session = mkOption {
+        internal = true;
+        default = [];
+        example = [{
+          name = "wmii";
+          start = "...";
+        }];
+        description = ''
+          Internal option used to add some common line to window manager
+          scripts before forwarding the value to the
+          <varname>displayManager</varname>.
+        '';
+        apply = map (d: d // {
+          manage = "window";
+        });
+      };
+
+      default = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        example = "wmii";
+        description = ''
+          <emphasis role="strong">Deprecated</emphasis>, please use <xref linkend="opt-services.xserver.displayManager.defaultSession"/> instead.
+
+          Default window manager loaded if none have been chosen.
+        '';
+      };
+
+    };
+
+  };
+
+  config = {
+    services.xserver.displayManager.session = cfg.session;
+  };
+}