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/misc/lightspark/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake, curl, zlib, ffmpeg, glew, pcre
+, rtmpdump, cairo, boost, SDL2, SDL2_mixer, libjpeg, pango, xz, nasm
+, llvm, glibmm
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lightspark";
+  version = "0.8.5";
+
+  src = fetchFromGitHub {
+    owner = "lightspark";
+    repo = "lightspark";
+    rev = version;
+    sha256 = "sha256-F+zCwKTPWkp+VWYvYN5+VbBJeQAwspKy7+Uv+ZstowA=";
+  };
+
+  postPatch = ''
+    sed -i 's/SET(ETCDIR "\/etc")/SET(ETCDIR "etc")/g' CMakeLists.txt
+  '';
+
+  nativeBuildInputs = [ pkg-config cmake ];
+
+  buildInputs = [
+    curl zlib ffmpeg glew pcre rtmpdump cairo boost SDL2 SDL2_mixer libjpeg
+    pango xz nasm llvm glibmm
+  ];
+
+  meta = with lib; {
+    description = "Open source Flash Player implementation";
+    homepage = "https://lightspark.github.io/";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ jchw ];
+    platforms = platforms.linux;
+  };
+}