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/tools/jsduck/default.nix

@@ -0,0 +1,33 @@
+{ stdenv, lib, bundlerEnv, makeWrapper, bundlerUpdateScript }:
+
+stdenv.mkDerivation rec {
+  pname = "jsduck";
+  version = (import ./gemset.nix).jsduck.version;
+
+  env = bundlerEnv {
+    name = pname;
+    gemfile = ./Gemfile;
+    lockfile = ./Gemfile.lock;
+    gemset = ./gemset.nix;
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ env ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    makeWrapper ${env}/bin/jsduck $out/bin/jsduck
+  '';
+
+  passthru.updateScript = bundlerUpdateScript "jsduck";
+
+  meta = with lib; {
+    description = "Simple JavaScript Duckumentation generator";
+    homepage    = "https://github.com/senchalabs/jsduck";
+    license     = with licenses; gpl3;
+    maintainers = with maintainers; [ periklis nicknovitski ];
+    platforms   = platforms.unix;
+  };
+}