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/setbfree/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, alsa-lib, freetype, ftgl, libjack2, libX11, lv2
+, libGLU, libGL, pkg-config, ttf_bitstream_vera
+}:
+
+stdenv.mkDerivation  rec {
+  pname = "setbfree";
+  version = "0.8.11";
+
+  src = fetchFromGitHub {
+    owner = "pantherb";
+    repo = "setBfree";
+    rev = "v${version}";
+    sha256 = "sha256-OYrsq3zVaotmS1KUgDIQbVQgxpfweMKiB17/PC1iXDA=";
+  };
+
+  postPatch = ''
+    sed 's#/usr/local#$(out)#g' -i common.mak
+    sed 's#/usr/share/fonts/truetype/ttf-bitstream-vera#${ttf_bitstream_vera}/share/fonts/truetype#g' \
+      -i b_synth/Makefile
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [
+    alsa-lib freetype ftgl libjack2 libX11 lv2 libGLU libGL
+    ttf_bitstream_vera
+  ];
+
+  meta = with lib; {
+    description = "A DSP tonewheel organ emulator";
+    homepage = "https://setbfree.org";
+    license = licenses.gpl2;
+    platforms = [ "x86_64-linux" "i686-linux" ]; # fails on ARM and Darwin
+    maintainers = [ maintainers.goibhniu ];
+  };
+}