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/jtc/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch }:
+
+stdenv.mkDerivation rec {
+  pname = "jtc";
+  version = "1.76";
+
+  src = fetchFromGitHub {
+    owner = "ldn-softdev";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-VATRlOOV4wBInLOm9J0Dp2vhtL5mb0Yxdl/ya0JiqEU=";
+  };
+
+  patches = [
+    # Fix building with Clang. Removing with next release.
+    (fetchpatch {
+      url = "https://github.com/ldn-softdev/jtc/commit/92a5116e5524c0b6d2f539db7b5cc9fdd7c5b8ab.patch";
+      sha256 = "sha256-AAvDH0XsT8/CAguG611/odg0m1HR+veC0jbAw6KLHLM=";
+    })
+  ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    $CXX -o jtc -Wall -std=gnu++14 -Ofast -pthread -lpthread jtc.cpp
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 -t $out/bin jtc
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "JSON manipulation and transformation tool";
+    homepage = "https://github.com/ldn-softdev/jtc";
+    license = licenses.mit;
+    maintainers = [ maintainers.marsam ];
+    platforms = platforms.all;
+  };
+}