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/vimwiki-markdown/default.nix

@@ -0,0 +1,28 @@
+{ lib
+, buildPythonApplication
+, fetchPypi
+, markdown
+, pygments
+}:
+
+buildPythonApplication rec {
+  version = "0.4.0";
+  pname = "vimwiki-markdown";
+
+  src = fetchPypi {
+    inherit version pname;
+    sha256 = "e898c58fa6ecbb7474738d79c44db2b6ab3adfa958bffe80089194c2a70b1ec0";
+  };
+
+  propagatedBuildInputs= [
+    markdown
+    pygments
+  ];
+
+  meta = with lib; {
+    description = "Vimwiki markdown plugin";
+    homepage = "https://github.com/WnP/vimwiki_markdown";
+    license = licenses.mit;
+    maintainers = with maintainers; [ seqizz ];
+  };
+}