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/codebraid/default.nix

@@ -0,0 +1,39 @@
+{ lib, python3Packages, fetchFromGitHub }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "codebraid";
+  version = "0.5.0-unstable-2020-08-14";
+
+  src = fetchFromGitHub {
+    owner = "gpoore";
+    repo = pname;
+    rev = "526a223c4fc32c37d6c5c9133524dfa0e1811ca4";
+    sha256 = "0qkqaj49k584qzgx9jlsf5vlv4lq7x403s1kig8v87i0kgh55p56";
+  };
+
+  propagatedBuildInputs = with python3Packages; [ bespon ];
+  # unfortunately upstream doesn't contain tests
+  checkPhase = ''
+    $out/bin/codebraid --help > /dev/null
+  '';
+  meta = with lib; {
+    homepage = "https://github.com/gpoore/codebraid";
+    description = ''
+      Live code in Pandoc Markdown.
+
+      Codebraid is a Python program that enables executable code in Pandoc
+      Markdown documents. Using Codebraid can be as simple as adding a class to
+      your code blocks' attributes, and then running codebraid rather than
+      pandoc to convert your document from Markdown to another format.
+      codebraid supports almost all of pandoc's options and passes them to
+      pandoc internally.
+
+      Codebraid provides two options for executing code. It includes a built-in
+      code execution system that currently supports Python 3.5+, Julia, Rust,
+      R, Bash, and JavaScript. Code can also be executed using Jupyter kernels,
+      with support for rich output like plots.
+    '';
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ synthetica ];
+  };
+}