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/tools/misc/pandoc-imagine/default.nix

@@ -0,0 +1,28 @@
+{ fetchFromGitHub, buildPythonApplication, lib, pandocfilters, six }:
+
+buildPythonApplication rec {
+  pname = "pandoc-imagine";
+  version = "0.1.6";
+
+  src = fetchFromGitHub {
+    repo = "imagine";
+    owner = "hertogp";
+    rev = version;
+    sha256 = "1wpnckc7qyrf6ga5xhr6gv38k1anpy9nx888n7n3rh6nixzcz2dw";
+  };
+
+  propagatedBuildInputs = [ pandocfilters six ];
+
+  # No tests in archive
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = src.meta.homepage;
+    description = ''
+      A pandoc filter that will turn code blocks tagged with certain classes
+      into images or ASCII art
+    '';
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ synthetica ];
+  };
+}