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/parsley/default.nix

@@ -0,0 +1,22 @@
+{ buildPythonPackage
+, fetchPypi
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "Parsley";
+  version = "1.3";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0hcd41bl07a8sx7nmx12p16xprnblc4phxkawwmmy78n8y6jfi4l";
+  };
+  # Tests fail although the package works just fine.  Unfortunately
+  # the tests as run by the upstream CI server travis.org are broken.
+  doCheck = false;
+  meta = with lib; {
+    license = licenses.mit;
+    homepage = "https://launchpad.net/parsley";
+    description = "A parser generator library based on OMeta, and other useful parsing tools.";
+    maintainers = with maintainers; [ seppeljordan ];
+  };
+}