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/java/cfr/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, makeWrapper, fetchurl, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "cfr";
+  version = "0.152";
+
+  src = fetchurl {
+    url = "http://www.benf.org/other/cfr/cfr_${version}.jar";
+    sha256 = "sha256-9obo897Td9e8h9IWqQ6elRLfQVbnWwbGVaFmSK6HZbI=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildCommand = ''
+    jar=$out/share/java/cfr_${version}.jar
+    install -Dm444 $src $jar
+    makeWrapper ${jre}/bin/java $out/bin/cfr --add-flags "-jar $jar"
+  '';
+
+  meta = with lib; {
+    description = "Another java decompiler";
+    longDescription = ''
+      CFR will decompile modern Java features - Java 8 lambdas (pre and post
+      Java beta 103 changes), Java 7 String switches etc, but is written
+      entirely in Java 6.
+    '';
+    homepage = "http://www.benf.org/other/cfr/";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license = licenses.mit;
+    platforms = platforms.all;
+  };
+}