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/markdown-macros/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fetchpatch
+, markdown
+}:
+
+buildPythonPackage rec {
+  pname = "markdown-macros";
+  version = "0.1.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1lzvrb7nci22yp21ab2qqc9p0fhkazqj29vw0wln2r4ckb2nbawv";
+  };
+
+  patches = [
+    # Fixes a bug with markdown>2.4
+    (fetchpatch {
+      url = "https://github.com/wnielson/markdown-macros/pull/1.patch";
+      sha256 = "17njbgq2srzkf03ar6yn92frnsbda3g45cdi529fdh0x8mmyxci0";
+    })
+  ];
+
+  prePatch = ''
+    substituteInPlace setup.py --replace "distribute" "setuptools"
+  '';
+
+  propagatedBuildInputs = [ markdown ];
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "An extension for python-markdown that makes writing trac-like macros easy";
+    homepage = "https://github.com/wnielson/markdown-macros";
+    license = licenses.mit;
+    maintainers = [ maintainers.abigailbuccaneer ];
+  };
+
+}