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/security/evil-winrm/default.nix

@@ -0,0 +1,36 @@
+{ stdenv, lib, fetchFromGitHub, makeWrapper, bundlerEnv }:
+
+stdenv.mkDerivation rec {
+  pname = "evil-winrm";
+  version = "3.3";
+
+  src = fetchFromGitHub {
+    owner = "Hackplayers";
+    repo = "evil-winrm";
+    rev = "v${version}";
+    sha256 = "sha256-uWhRkq7I/XRWSUpR8lWRhDImE6x0pX9/B3gKhRIhkf8=";
+  };
+
+  env = bundlerEnv {
+    name = pname;
+    gemfile = ./Gemfile;
+    lockfile = ./Gemfile.lock;
+    gemset = ./gemset.nix;
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ env.wrappedRuby ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp evil-winrm.rb $out/bin/evil-winrm
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/Hackplayers/evil-winrm";
+    changelog = "https://github.com/Hackplayers/evil-winrm/releases/tag/v${version}";
+    description = "WinRM shell for hacking/pentesting";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ elohmeier ];
+  };
+}