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/system/localtime.nix

@@ -0,0 +1,35 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.localtimed;
+in {
+  options = {
+    services.localtimed = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enable <literal>localtimed</literal>, a simple daemon for keeping the
+          system timezone up-to-date based on the current location. It uses
+          geoclue2 to determine the current location.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.geoclue2.appConfig.localtimed = {
+      isAllowed = true;
+      isSystem = true;
+    };
+
+    # Install the polkit rules.
+    environment.systemPackages = [ pkgs.localtime ];
+    # Install the systemd unit.
+    systemd.packages = [ pkgs.localtime ];
+
+    systemd.services.localtime.wantedBy = [ "multi-user.target" ];
+  };
+}