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/fnm/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, rustPlatform
+, installShellFiles
+, DiskArbitration
+, Foundation
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "fnm";
+  version = "1.31.0";
+
+  src = fetchFromGitHub {
+    owner = "Schniz";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-8A6MKDeyuk0bzyoDydcOy4LzyYe/S+x+ZJMTOo59UA8=";
+  };
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  buildInputs = lib.optionals stdenv.isDarwin [ DiskArbitration Foundation Security ];
+
+  cargoSha256 = "sha256-oiGYkRqxN6e5EG6EDQalIK0tOekyIVQ+GhxCKK0Sd3g=";
+
+  doCheck = false;
+
+  postInstall = ''
+    installShellCompletion --cmd fnm \
+      --bash <($out/bin/fnm completions --shell bash) \
+      --fish <($out/bin/fnm completions --shell fish) \
+      --zsh <($out/bin/fnm completions --shell zsh)
+  '';
+
+  meta = with lib; {
+    description = "Fast and simple Node.js version manager";
+    homepage = "https://github.com/Schniz/fnm";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ kidonng ];
+  };
+}