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/nailgun/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchMavenArtifact, fetchFromGitHub, jre, makeWrapper }:
+
+let
+  version = "1.0.0";
+  nailgun-server = fetchMavenArtifact {
+    groupId = "com.facebook";
+    artifactId = "nailgun-server";
+    inherit version;
+    sha256 = "1mk8pv0g2xg9m0gsb96plbh6mc24xrlyrmnqac5mlbl4637l4q95";
+  };
+in
+stdenv.mkDerivation {
+  pname = "nailgun";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = "nailgun";
+    rev = "nailgun-all-v${version}";
+    sha256 = "1syyk4ss5vq1zf0ma00svn56lal53ffpikgqgzngzbwyksnfdlh6";
+  };
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  postInstall = ''
+    makeWrapper ${jre}/bin/java $out/bin/ng-server \
+      --add-flags '-classpath ${nailgun-server.jar}:$CLASSPATH com.facebook.nailgun.NGServer'
+  '';
+
+  meta = with lib; {
+    description = "Client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead";
+    homepage = "http://www.martiansoftware.com/nailgun/";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license = licenses.asl20;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ volth ];
+  };
+}