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/package-management/cargo-audit/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, openssl
+, pkg-config
+, Security
+, libiconv
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-audit";
+  version = "0.17.0";
+
+  src = fetchFromGitHub {
+    owner = "RustSec";
+    repo = "rustsec";
+    rev = "cargo-audit%2Fv${version}";
+    sha256 = "sha256-x91x5XjIRXLhs96r06ITbpHCkHoaCaMXH+VCp6f57Gg=";
+  };
+
+  cargoSha256 = "sha256-/CzRkdo4kfvRwOZsfyu0zL3UnjEKCBj7wj40jlydSDI=";
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    openssl
+    libiconv
+  ] ++ lib.optionals stdenv.isDarwin [
+    Security
+  ];
+
+  buildFeatures = [ "fix" ];
+
+  # The tests require network access which is not available in sandboxed Nix builds.
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Audit Cargo.lock files for crates with security vulnerabilities";
+    homepage = "https://rustsec.org";
+    license = with licenses; [ mit /* or */ asl20 ];
+    maintainers = with maintainers; [ basvandijk jk ];
+  };
+}