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/build-support/rust/test/import-cargo-lock/maturin/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, fetchFromGitHub
+, python3
+, rustPlatform
+}:
+
+python3.pkgs.buildPythonPackage rec {
+  pname = "word-count";
+  version = "0.13.2";
+
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "PyO3";
+    repo = "pyo3";
+    rev = "v${version}";
+    hash = "sha256-NOMrrfo8WjlPhtGxWUOPJS/UDDdbLQRCXR++Zd6JmIA=";
+  };
+
+  cargoDeps = rustPlatform.importCargoLock {
+    lockFile = ./Cargo.lock;
+  };
+
+  postPatch = ''
+    cp ${./Cargo.lock} Cargo.lock
+  '';
+
+  buildAndTestSubdir = "examples/word-count";
+
+  nativeBuildInputs = with rustPlatform; [
+    cargoSetupHook
+    maturinBuildHook
+  ];
+
+  pythonImportsCheck = [ "word_count" ];
+
+  meta = with lib; {
+    description = "PyO3 word count example";
+    homepage = "https://github.com/PyO3/pyo3";
+    license = licenses.asl20;
+    maintainers = [ ];
+  };
+}