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/graphics/imageworsener/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv
+, fetchurl
+, zlib
+, libpng
+, libjpeg
+, libwebp
+}:
+
+stdenv.mkDerivation rec {
+  pname = "imageworsener";
+  version = "1.3.4";
+
+  src = fetchurl {
+    url = "https://entropymine.com/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "1dhjhlfrdng50dxxd306adzm54ir62pz99h4v0yi6rg56nxv5q5s";
+  };
+
+  postPatch = ''
+    patchShebangs tests/runtest
+  '';
+
+  postInstall = ''
+    mkdir -p $out/share/doc/imageworsener
+    cp readme.txt technical.txt $out/share/doc/imageworsener
+  '';
+
+  buildInputs = [ zlib libpng libjpeg libwebp ];
+
+  doCheck = true;
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "A raster image scaling and processing utility";
+    homepage = "https://entropymine.com/imageworsener/";
+    changelog = "https://github.com/jsummers/${pname}/blob/${version}/changelog.txt";
+    license = licenses.mit;
+    maintainers = with maintainers; [ emily smitop ];
+    mainProgram = "imagew";
+    platforms = platforms.all;
+  };
+}