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/unify/default.nix

@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, untokenize
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "unify";
+  version = "0.5";
+
+  # PyPi release is missing tests (see https://github.com/myint/unify/pull/18)
+  src = fetchFromGitHub {
+    owner = "myint";
+    repo = "unify";
+    rev = "v${version}";
+    sha256 = "1l6xxygaigacsxf0g5f7w5gpqha1ava6mcns81kqqy6vw91pyrbi";
+  };
+
+  propagatedBuildInputs = [ untokenize ];
+
+  checkPhase = "${python.interpreter} -m unittest discover";
+
+  meta = with lib; {
+    description = "Modifies strings to all use the same quote where possible";
+    homepage = "https://github.com/myint/unify";
+    license = licenses.mit;
+    maintainers = with maintainers; [ FlorianFranzen ];
+  };
+}