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/monitoring/teamviewer.nix

@@ -0,0 +1,49 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.teamviewer;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.teamviewer.enable = mkEnableOption "TeamViewer daemon";
+
+  };
+
+  ###### implementation
+
+  config = mkIf (cfg.enable) {
+
+    environment.systemPackages = [ pkgs.teamviewer ];
+
+    services.dbus.packages = [ pkgs.teamviewer ];
+
+    systemd.services.teamviewerd = {
+      description = "TeamViewer remote control daemon";
+
+      wantedBy = [ "multi-user.target" ];
+      after = [ "NetworkManager-wait-online.service" "network.target" "dbus.service" ];
+      requires = [ "dbus.service" ];
+      preStart = "mkdir -pv /var/lib/teamviewer /var/log/teamviewer";
+
+      startLimitIntervalSec = 60;
+      startLimitBurst = 10;
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${pkgs.teamviewer}/bin/teamviewerd -f";
+        PIDFile = "/run/teamviewerd.pid";
+        ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+        Restart = "on-abort";
+      };
+    };
+  };
+
+}