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/applications/networking/jnetmap/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchurl, jre, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "jnetmap";
+  version = "0.5.4";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/jnetmap/jNetMap%20${version}/jNetMap-${version}.jar";
+    sha256 = "0nxsfa600jhazwbabxmr9j37mhwysp0fyrvczhv3f1smiy8rjanl";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ jre ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    mkdir -p "$out/bin"
+    mkdir -p "$out/lib"
+
+    cp "${src}" "$out/lib/jnetmap.jar"
+    makeWrapper "${jre}/bin/java" "$out/bin/jnetmap" \
+        --add-flags "-jar \"$out/lib/jnetmap.jar\""
+  '';
+
+  meta = with lib; {
+    description = "Graphical network monitoring and documentation tool";
+    homepage = "http://www.rakudave.ch/jnetmap/";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license = licenses.gpl3Plus;
+    # Upstream supports macOS and Windows too.
+    platforms = platforms.linux;
+    maintainers = [ maintainers.bjornfor ];
+  };
+}