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/mozillavpn.nix

@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+{
+  options.services.mozillavpn.enable = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    description = ''
+      Enable the Mozilla VPN daemon.
+    '';
+  };
+
+  config = lib.mkIf config.services.mozillavpn.enable {
+    environment.systemPackages = [ pkgs.mozillavpn ];
+    services.dbus.packages = [ pkgs.mozillavpn ];
+    systemd.packages = [ pkgs.mozillavpn ];
+  };
+
+  meta.maintainers = with lib.maintainers; [ andersk ];
+}