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/applications/science/logic/btor2tools/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, cmake, fetchFromGitHub, fixDarwinDylibNames }:
+
+stdenv.mkDerivation rec {
+  pname = "btor2tools";
+  version = "1.0.0-pre_${src.rev}";
+
+  src = fetchFromGitHub {
+    owner  = "boolector";
+    repo   = "btor2tools";
+    rev    = "9831f9909fb283752a3d6d60d43613173bd8af42";
+    sha256 = "0mfqmkgvyw8fa2c09kww107dmk180ch1hp98r5kv41vnc04iqb0s";
+  };
+
+  nativeBuildInputs = [ cmake ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
+  installPhase = ''
+    mkdir -p $out $dev/include/btor2parser/ $lib/lib
+
+    cp -vr bin $out
+    cp -v  ../src/btor2parser/btor2parser.h $dev/include/btor2parser
+    cp -v  lib/libbtor2parser.* $lib/lib
+  '';
+
+  outputs = [ "out" "dev" "lib" ];
+
+  meta = with lib; {
+    description = "A generic parser and tool package for the BTOR2 format";
+    homepage    = "https://github.com/Boolector/btor2tools";
+    license     = licenses.mit;
+    platforms   = platforms.unix;
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}