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/rust/cargo-rr/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+, gitUpdater
+, common-updater-scripts
+, makeWrapper
+, rr
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-rr";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "danielzfranklin";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-lQS+bp1u79iO8WGrkZSFEuonr1eYjxIQYhUvM/kBao4";
+  };
+
+  cargoSha256 = "sha256-PdKqWMxTtBJbNqITs3IjNcpijXy6MHitEY4jDp4jZro=";
+
+  passthru = {
+    updateScript = gitUpdater {
+      inherit pname version;
+      rev-prefix = "v";
+    };
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  postInstall = ''
+    wrapProgram $out/bin/cargo-rr --prefix PATH : ${lib.makeBinPath [ rr ]}
+  '';
+
+  meta = with lib; {
+    description = "Cargo subcommand \"rr\": a light wrapper around rr, the time-travelling debugger";
+    homepage = "https://github.com/danielzfranklin/cargo-rr";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ otavio ];
+  };
+}