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/enzyme/default.nix

@@ -0,0 +1,20 @@
+{ lib, fetchPypi, buildPythonPackage }:
+
+buildPythonPackage rec {
+  pname = "enzyme";
+  version = "0.4.1";
+
+  # Tests rely on files obtained over the network
+  doCheck = false;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1fv2kh2v4lwj0hhrhj9pib1pdjh01yr4xgyljhx11l94gjlpy5pj";
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/Diaoul/enzyme";
+    license = licenses.asl20;
+    description = "Python video metadata parser";
+  };
+}