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/tools/misc/mdbtools/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, lib, fetchFromGitHub, glib, readline
+, bison, flex, pkg-config, autoreconfHook, libxslt, makeWrapper
+, txt2man, which
+}:
+
+stdenv.mkDerivation rec {
+  pname = "mdbtools";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "mdbtools";
+    repo = "mdbtools";
+    rev = "v${version}";
+    sha256 = "sha256-e9rgTWu8cwuccpp/wAfas1ZeQPTpGcgE6YjLz7KRnhw=";
+  };
+
+  configureFlags = [ "--disable-scrollkeeper" ];
+
+  nativeBuildInputs = [
+    pkg-config bison flex autoreconfHook txt2man which
+  ];
+
+  buildInputs = [ glib readline ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = ".mdb (MS Access) format tools";
+    license = with licenses; [ gpl2 lgpl2 ];
+    maintainers = with maintainers; [ ];
+    platforms = platforms.unix;
+    inherit (src.meta) homepage;
+  };
+}