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/releases/default.nix

@@ -0,0 +1,37 @@
+{ buildPythonPackage
+, fetchFromGitHub
+, lib
+, semantic-version
+, sphinx
+}:
+
+buildPythonPackage rec {
+  pname = "releases";
+  version = "1.6.3";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "bitprophet";
+    repo = pname;
+    rev = version;
+    hash = "sha256-XX2e6bjBNMun31h0sNJ9ieZE01U+PhA5JYYNOuMgD20=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py --replace "semantic_version<2.7" "semantic_version"
+  '';
+
+  propagatedBuildInputs = [ semantic-version sphinx ];
+
+  # Test suite doesn't run. See https://github.com/bitprophet/releases/issues/95.
+  doCheck = false;
+
+  pythonImportsCheck = [ "releases" ];
+
+  meta = with lib; {
+    description = "A Sphinx extension for changelog manipulation";
+    homepage = "https://github.com/bitprophet/releases";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ samuela ];
+  };
+}