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/maturin/default.nix

@@ -0,0 +1,49 @@
+{ callPackage
+, lib
+, stdenv
+, fetchFromGitHub
+, rustPlatform
+, pkg-config
+, dbus
+, libiconv
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "maturin";
+  version = "0.12.9";
+
+  src = fetchFromGitHub {
+    owner = "PyO3";
+    repo = "maturin";
+    rev = "v${version}";
+    hash = "sha256-FskCBviLl1yafPOlsp/IjaEOlGUuWLcGlxDrNA/qf8k=";
+  };
+
+  cargoHash = "sha256-zakSQptKK/X/8MDJxRUHTDIGPh77cq5PrOmPEneD0YM=";
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = lib.optionals stdenv.isLinux [ dbus ]
+    ++ lib.optionals stdenv.isDarwin [ Security libiconv ];
+
+  # Requires network access, fails in sandbox.
+  doCheck = false;
+
+  passthru.tests.pyo3 = callPackage ./pyo3-test {};
+
+  meta = with lib; {
+    description = "Build and publish Rust crates Python packages";
+    longDescription = ''
+      Build and publish Rust crates with PyO3, rust-cpython, and
+      cffi bindings as well as Rust binaries as Python packages.
+
+      This project is meant as a zero-configuration replacement for
+      setuptools-rust and Milksnake. It supports building wheels for
+      Python and can upload them to PyPI.
+    '';
+    homepage = "https://github.com/PyO3/maturin";
+    license = licenses.asl20;
+    maintainers = [ ];
+  };
+}