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/ssdeep/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, cffi
+, fetchFromGitHub
+, pytestCheckHook
+, six
+, ssdeep
+}:
+
+buildPythonPackage rec {
+  pname = "ssdeep";
+  version = "3.4";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "DinoTools";
+    repo = "python-ssdeep";
+    rev = version;
+    hash = "sha256-eAB4/HmPGj/ngHrqkOlY/kTdY5iUEBHxrsRYjR/RNyw=";
+  };
+
+  buildInputs = [
+    ssdeep
+  ];
+
+  propagatedBuildInputs = [
+    cffi
+    six
+  ];
+
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace '"pytest-runner"' ""
+  '';
+
+  pythonImportsCheck = [
+    "ssdeep"
+  ];
+
+  meta = with lib; {
+    description = "Python wrapper for the ssdeep library";
+    homepage = "https://github.com/DinoTools/python-ssdeep";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ fab ];
+  };
+}