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/tests/hocker-fetchdocker/machine.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }:
+{ nixpkgs.config.packageOverrides = pkgs': {
+    hello-world-container = pkgs'.callPackage ./hello-world-container.nix { };
+  };
+
+  virtualisation.docker = {
+    enable  = true;
+    package = pkgs.docker;
+  };
+
+  systemd.services.docker-load-fetchdocker-image = {
+    description = "Docker load hello-world-container";
+    wantedBy    = [ "multi-user.target" ];
+    wants       = [ "docker.service" ];
+    after       = [ "docker.service" ];
+
+    script = ''
+      ${pkgs.hello-world-container}/compositeImage.sh | ${pkgs.docker}/bin/docker load
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+    };
+  };
+}
+