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/nampa/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, future
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "nampa";
+  version = "1.0";
+
+  src = fetchFromGitHub {
+    owner = "thebabush";
+    repo = pname;
+    rev = version;
+    sha256 = "14b6xjm497wrfw4kv24zhsvz2l6zknvx36w8i754hfwz3s3fsl6a";
+  };
+
+  propagatedBuildInputs = [
+    future
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    # https://github.com/thebabush/nampa/pull/13
+    substituteInPlace setup.py \
+      --replace "0.1.1" "${version}"
+  '';
+
+  pythonImportsCheck = [ "nampa" ];
+
+  meta = with lib; {
+    description = "Python implementation of the FLIRT technology";
+    homepage = "https://github.com/thebabush/nampa";
+    license = licenses.lgpl3Only;
+    maintainers = with maintainers; [ fab ];
+  };
+}