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/text/kytea/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+
+  pname = "kytea";
+  version = "0.4.7";
+
+  src = fetchurl {
+    url    = "http://www.phontron.com/kytea/download/${pname}-${version}.tar.gz";
+    sha256 = "0ilzzwn5vpvm65bnbyb9f5rxyxy3jmbafw9w0lgl5iad1ka36jjk";
+  };
+
+  patches = [ ./gcc-O3.patch ];
+
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-error=c++11-narrowing";
+
+  meta = with lib; {
+    homepage = "http://www.phontron.com/kytea/";
+    description = "General toolkit developed for analyzing text";
+
+    longDescription = ''
+      A general toolkit developed for analyzing text, with a focus on Japanese,
+      Chinese and other languages requiring word or morpheme segmentation.
+    '';
+
+    license = licenses.asl20;
+
+    maintainers = with maintainers; [ ericsagnes ];
+    platforms = platforms.unix;
+  };
+
+}