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/hardware/udisks2.nix

@@ -0,0 +1,85 @@
+# Udisks daemon.
+
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  settingsFormat = pkgs.formats.ini {
+    listToValue = concatMapStringsSep "," (generators.mkValueStringDefault {});
+  };
+  configFiles = mapAttrs (name: value: (settingsFormat.generate name value)) (mapAttrs' (name: value: nameValuePair name value ) config.services.udisks2.settings);
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.udisks2 = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Whether to enable Udisks, a DBus service that allows
+          applications to query and manipulate storage devices.
+        '';
+      };
+
+      settings = mkOption rec {
+        type = types.attrsOf settingsFormat.type;
+        apply = recursiveUpdate default;
+        default = {
+          "udisks2.conf" = {
+            udisks2 = {
+              modules = [ "*" ];
+              modules_load_preference = "ondemand";
+            };
+            defaults = {
+              encryption = "luks2";
+            };
+          };
+        };
+        example = literalExpression ''
+        {
+          "WDC-WD10EZEX-60M2NA0-WD-WCC3F3SJ0698.conf" = {
+            ATA = {
+              StandbyTimeout = 50;
+            };
+          };
+        };
+        '';
+        description = ''
+          Options passed to udisksd.
+          See <link xlink:href="http://manpages.ubuntu.com/manpages/latest/en/man5/udisks2.conf.5.html">here</link> and
+          drive configuration in <link xlink:href="http://manpages.ubuntu.com/manpages/latest/en/man8/udisks.8.html">here</link> for supported options.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf config.services.udisks2.enable {
+
+    environment.systemPackages = [ pkgs.udisks2 ];
+
+    environment.etc = mapAttrs' (name: value: nameValuePair "udisks2/${name}" { source = value; } ) configFiles;
+
+    security.polkit.enable = true;
+
+    services.dbus.packages = [ pkgs.udisks2 ];
+
+    systemd.tmpfiles.rules = [ "d /var/lib/udisks2 0755 root root -" ];
+
+    services.udev.packages = [ pkgs.udisks2 ];
+
+    systemd.packages = [ pkgs.udisks2 ];
+  };
+
+}