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/tools/misc/aspcud/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, boost
+, catch2
+, clasp
+, cmake
+, gringo
+, re2c
+}:
+
+stdenv.mkDerivation rec {
+  version = "1.9.5";
+  pname = "aspcud";
+
+  src = fetchFromGitHub {
+    owner = "potassco";
+    repo = "aspcud";
+    rev = "v${version}";
+    hash = "sha256-d04GPMoz6PMGq6iiul0zT1C9Mljdl9uJJ2C8MIwcmaw=";
+  };
+
+  postPatch = ''
+    cp ${catch2}/include/catch2/catch.hpp libcudf/tests/catch.hpp
+  '';
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ boost clasp gringo re2c ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    "-DASPCUD_GRINGO_PATH=${gringo}/bin/gringo"
+    "-DASPCUD_CLASP_PATH=${clasp}/bin/clasp"
+  ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Solver for package problems in CUDF format using ASP";
+    homepage = "https://potassco.org/aspcud/";
+    platforms = platforms.all;
+    maintainers = [ maintainers.hakuch ];
+    license = licenses.gpl3Plus;
+  };
+}