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/python2-modules/pyroma/default.nix

@@ -0,0 +1,26 @@
+{ lib, buildPythonPackage, fetchPypi
+, docutils, pygments, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "pyroma";
+  version = "2.6.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "2527423e3a24ccd56951f3ce1b0ebbcc4fa0518c82fca882e696c78726ab9c2f";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pygments < 2.6" "pygments"
+  '';
+
+  propagatedBuildInputs = [ docutils pygments setuptools ];
+
+  meta = with lib; {
+    description = "Test your project's packaging friendliness";
+    homepage = "https://github.com/regebro/pyroma";
+    license = licenses.mit;
+  };
+}