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/analysis/cargo-tarpaulin/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, rustPlatform, fetchFromGitHub, pkg-config, curl, openssl, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-tarpaulin";
+  version = "0.20.1";
+
+  src = fetchFromGitHub {
+    owner = "xd009642";
+    repo = "tarpaulin";
+    rev = version;
+    sha256 = "sha256-WobKZeO0U54mHj7hlkOH33TcOklWBJRWYSJBEt5sYII=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+  buildInputs = [ openssl ]
+    ++ lib.optionals stdenv.isDarwin [ curl Security ];
+
+  cargoSha256 = "sha256-LR4jU7V44f00ry0VEd3qFryZtnn/t0K/OZGnRproksE=";
+  #checkFlags = [ "--test-threads" "1" ];
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A code coverage tool for Rust projects";
+    homepage = "https://github.com/xd009642/tarpaulin";
+    license = with licenses; [ mit /* or */ asl20 ];
+    maintainers = with maintainers; [ hugoreeves ];
+    platforms = lib.platforms.x86_64;
+  };
+}