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-embed/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, libusb1
+, libftdi1
+, pkg-config
+, rustfmt
+, AppKit
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-embed";
+  version = "0.12.0";
+
+  src = fetchFromGitHub {
+    owner = "probe-rs";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1is58n8y5lvnvzkbnh3gfk3r3f2r1w4l2qjdp2k8373apxzjxdvr";
+  };
+
+  cargoSha256 = "0kalwigck9lf734zdpzg01sf2zzyrgdgq2rg3qj7hy94gfxlsk63";
+
+  nativeBuildInputs = [ pkg-config rustfmt ];
+  buildInputs = [ libusb1 libftdi1 ] ++ lib.optionals stdenv.isDarwin [ AppKit ];
+
+  buildFeatures = [ "ftdi" ];
+
+  meta = with lib; {
+    description = "A cargo extension for working with microcontrollers";
+    homepage = "https://probe.rs/";
+    changelog = "https://github.com/probe-rs/cargo-embed/blob/v${version}/CHANGELOG.md";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ fooker ];
+  };
+}