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-deadlinks/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, rustPlatform, fetchFromGitHub, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-deadlinks";
+  version = "0.8.1";
+
+  src = fetchFromGitHub {
+    owner = "deadlinks";
+    repo = pname;
+    rev = "${version}";
+    sha256 = "0s5q9aghncsk9834azn5cgnn5ms3zzyjan2rq06kaqcgzhld4cjh";
+  };
+
+  cargoSha256 = "00g06zf0m1wry0mhf098pw99kbb99d8a17985pb90yf1w74rdkh6";
+
+  checkFlags = [
+    # uses internet
+    "--skip non_existent_http_link --skip working_http_check"
+  ] ++ lib.optional (stdenv.hostPlatform.system != "x86_64-linux")
+    # assumes the target is x86_64-unknown-linux-gnu
+    "--skip simple_project::it_checks_okay_project_correctly";
+
+  buildInputs = lib.optional stdenv.isDarwin Security;
+
+  meta = with lib; {
+    description = "Cargo subcommand to check rust documentation for broken links";
+    homepage = "https://github.com/deadlinks/cargo-deadlinks";
+    changelog = "https://github.com/deadlinks/cargo-deadlinks/blob/${version}/CHANGELOG.md";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ newam ];
+  };
+}