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>

pkgs/development/python-modules/littleutils/default.nix

@@ -0,0 +1,25 @@
+{ buildPythonPackage
+, fetchPypi
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "littleutils";
+  version = "0.2.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0vwijrylppmk0nbddqvn527r9cg3zw8d6zk6r58hslry42jf7jp6";
+  };
+
+  # This tiny package has no unit tests at all
+  doCheck = false;
+  pythonImportsCheck = [ "littleutils" ];
+
+  meta = with lib; {
+    description = "Small collection of Python utility functions";
+    homepage = "https://github.com/alexmojaki/littleutils";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jluttine ];
+  };
+}