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/audio/sorcer/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub , boost, cairomm, cmake, libsndfile, lv2, ntk, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "sorcer";
+  version = "1.1.3";
+
+  src = fetchFromGitHub {
+    owner = "openAVproductions";
+    repo = "openAV-Sorcer";
+    rev = "release-${version}";
+    sha256 = "1x7pi77nal10717l02qpnhrx6d7w5nqrljkn9zx5w7gpb8fpb3vp";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ boost cairomm libsndfile lv2 ntk ];
+
+  postPatch = ''
+     # Fix build with lv2 1.18: https://github.com/brummer10/guitarix/commit/c0334c72
+     find . -type f -exec fgrep -q LV2UI_Descriptor {} \; \
+       -exec sed -i {} -e 's/const struct _\?LV2UI_Descriptor/const LV2UI_Descriptor/' \;
+   '';
+
+  installPhase = ''
+    make install
+    cp -a ../presets/* "$out/lib/lv2"
+  '';
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64);
+    homepage = "http://openavproductions.com/sorcer/";
+    description = "A wavetable LV2 plugin synth, targeted at the electronic / dubstep genre";
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.magnetophon ];
+    platforms = platforms.linux;
+  };
+}