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/games/gltron/default.nix

@@ -0,0 +1,30 @@
+{lib, stdenv, fetchurl, SDL, libGLU, libGL, zlib, libpng, libvorbis, libmikmod, SDL_sound } :
+
+stdenv.mkDerivation rec {
+  pname = "gltron";
+  version = "0.70";
+  src = fetchurl {
+    url = "mirror://sourceforge/gltron/gltron-${version}-source.tar.gz";
+    sha256 = "e0c8ebb41a18a1f8d7302a9c2cb466f5b1dd63e9a9966c769075e6b6bdad8bb0";
+  };
+
+  patches = [ ./gentoo-prototypes.patch ];
+
+  postPatch = ''
+     # Fix https://sourceforge.net/p/gltron/bugs/15
+     sed -i /__USE_MISC/d lua/src/lib/liolib.c
+  '';
+
+  # The build fails, unless we disable the default -Wall -Werror
+  configureFlags = [ "--disable-warn" ];
+
+  buildInputs = [ SDL libGLU libGL zlib libpng libvorbis libmikmod SDL_sound ];
+
+  meta = {
+    homepage = "http://www.gltron.org/";
+    description = "Game based on the movie Tron";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [viric];
+    platforms = with lib.platforms; linux;
+  };
+}

pkgs/games/gltron/gentoo-prototypes.patch

@@ -0,0 +1,27 @@
+Taken from:
+http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/games-action/gltron/files/gltron-0.70-prototypes.patch?revision=1.1&view=markup
+
+scripting.h declares these params as const so make sure they're the same.
+
+--- a/nebu/scripting/scripting.c
++++ b/nebu/scripting/scripting.c
+@@ -169,16 +169,16 @@
+   return status;
+ }    
+ 
+-void scripting_RunFile(char *name) {
++void scripting_RunFile(const char *name) {
+   lua_dofile(L, name);
+ }
+ 
+-void scripting_Run(char *command) {
++void scripting_Run(const char *command) {
+   /* fprintf(stderr, "[command] %s\n", command); */
+   lua_dostring(L, command);
+ }
+ 
+-void scripting_RunFormat(char *format, ... ) {
++void scripting_RunFormat(const char *format, ... ) {
+   char buf[4096];
+   va_list ap;
+   va_start(ap, format);