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/spin/default.nix

@@ -0,0 +1,42 @@
+{ stdenv, lib, fetchFromGitHub, makeWrapper, bison, gcc, tk, swarm, graphviz }:
+
+let
+  binPath = lib.makeBinPath [ gcc graphviz tk swarm ];
+in
+
+stdenv.mkDerivation rec {
+  pname = "spin";
+  version = "6.5.2";
+
+  src = fetchFromGitHub {
+    owner = "nimble-code";
+    repo = "Spin";
+    rev = "version-${version}";
+    sha256 = "sha256-drvQXfDZCZRycBZt/VNngy8zs4XVJg+d1b4dQXVcyFU=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ bison ];
+
+  sourceRoot = "source/Src";
+
+  preBuild = ''
+    mkdir -p $out/bin
+    mkdir -p $out/share/man/man1
+  '';
+
+  enableParallelBuilding = true;
+  makeFlags = [ "DESTDIR=$(out)" ];
+
+  postInstall = ''
+    wrapProgram $out/bin/spin --prefix PATH : ${binPath}
+  '';
+
+  meta = with lib; {
+    description = "Formal verification tool for distributed software systems";
+    homepage = "https://spinroot.com/";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ pSub siraben ];
+  };
+}