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/misc/dust/default.nix

@@ -0,0 +1,30 @@
+{ lib, fetchFromGitHub, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "du-dust";
+  version = "0.8.0";
+
+  src = fetchFromGitHub {
+    owner = "bootandy";
+    repo = "dust";
+    rev = "v${version}";
+    sha256 = "sha256-qC8AlLyg8MU9ZON0hITTaM5AmRFZMOqJVt7PJ5fCtus=";
+    # Remove unicode file names which leads to different checksums on HFS+
+    # vs. other filesystems because of unicode normalisation.
+    postFetch = ''
+      rm -r $out/tests/test_dir_unicode/
+    '';
+  };
+
+  cargoSha256 = "sha256-XW6SIeEmHzicq8pbKJCPYZ5s6jl+kp6Bsjh2WIre4yo=";
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "du + rust = dust. Like du but more intuitive";
+    homepage = "https://github.com/bootandy/dust";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ infinisil SuperSandro2000 ];
+    mainProgram = "dust";
+  };
+}