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/chessdb/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl, tcl, tk, libX11, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "chessdb";
+  version = "3.6.19-beta-1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/chessdb/ChessDB-${version}.tar.gz";
+    sha256 = "0brc3wln3bxp979iqj2w1zxpfd0pch8zzazhdmwf7acww4hrsz62";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ tcl tk libX11 ];
+
+  makeFlags = [
+    "BINDIR=$(out)/bin"
+    "SHAREDIR=$(out)/share/chessdb"
+    "SOUNDSDIR=$(out)/share/chessdb/sounds"
+    "TBDIR=$(out)/share/chessdb/tablebases"
+    "MANDIR=$(out)/man"
+  ];
+
+  postInstall = ''
+    wrapProgram $out/bin/chessdb --set TK_LIBRARY "${tk}/lib/${tk.libPrefix}"
+  '';
+
+  meta = {
+    homepage = "http://chessdb.sourceforge.net/";
+    description = "A free chess database";
+    platforms = lib.platforms.linux;
+  };
+}