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/embedded/arduino/arduino-ci/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub,  makeWrapper, arduino-cli, ruby, python3 }:
+
+let
+
+  runtimePath = lib.makeBinPath [
+    arduino-cli
+    python3 # required by the esp8266 core
+  ];
+
+in
+stdenv.mkDerivation rec {
+  pname = "arduino-ci";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner  = "pololu";
+    repo   = "arduino-ci";
+    rev    = "v${version}";
+    sha256 = "sha256-9RbBxgwsSQ7oGGKr1Vsn9Ug9AsacoRgvQgd9jbRQ034=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    install $src/ci.rb $out/bin/arduino-ci
+
+    runHook postInstall
+  '';
+
+  fixupPhase = ''
+    substituteInPlace $out/bin/arduino-ci --replace "/usr/bin/env nix-shell" "${ruby}/bin/ruby"
+    wrapProgram $out/bin/arduino-ci --prefix PATH ":" "${runtimePath}"
+  '';
+
+  meta = with lib; {
+    description = "CI for Arduino Libraries";
+    homepage = src.meta.homepage;
+    license = licenses.mit;
+    maintainers = with maintainers; [ ryantm ];
+    platforms = platforms.unix;
+  };
+}