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/development/tools/toluapp/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, sconsPackages, lua }:
+
+stdenv.mkDerivation rec {
+  version = "1.0.93";
+  pname = "toluapp";
+
+  src = fetchFromGitHub {
+    owner = "LuaDist";
+    repo  = "toluapp";
+    rev   = version;
+    sha256 = "0zd55bc8smmgk9j4cf0jpibb03lgsvl0knpwhplxbv93mcdnw7s0";
+  };
+
+  nativeBuildInputs = [ sconsPackages.scons_3_0_1 ];
+  buildInputs = [ lua ];
+
+  patches = [ ./environ-and-linux-is-kinda-posix.patch ./headers.patch ];
+
+  preConfigure = ''
+    substituteInPlace config_posix.py \
+      --replace /usr/local $out
+  '';
+
+  meta = with lib; {
+    description = "A tool to integrate C/Cpp code with Lua";
+    homepage = "http://www.codenix.com/~tolua/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ vrthra ];
+    mainProgram = "tolua++";
+    platforms = with platforms; unix;
+  };
+}