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/parsing/javacc/default.nix

@@ -0,0 +1,32 @@
+{ stdenv, lib, fetchFromGitHub, ant, jdk }:
+
+stdenv.mkDerivation rec {
+  pname = "javacc";
+  version = "7.0.10";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "${pname}-${version}";
+    sha256 = "120jva4sw1kylkwgqf869zxddss01mcn1nmimx9vmd4xaadz7cf2";
+  };
+
+  nativeBuildInputs = [ ant jdk ];
+
+  buildPhase = ''
+    ant jar
+  '';
+
+  installPhase = ''
+    mkdir -p $out/target
+    mv scripts $out/bin
+    mv target/javacc.jar $out/target/
+  '';
+
+  meta = with lib; {
+    homepage = "https://javacc.github.io/javacc";
+    description = "A parser generator for building parsers from grammars";
+    license = licenses.bsd2;
+    maintainers = [ teams.deshaw.members ];
+  };
+}