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/editors/howl/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, gtk3, librsvg }:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "howl";
+  version = "0.6";
+
+  # Use the release tarball containing pre-downloaded dependencies sources
+  src = fetchurl {
+    url = "https://github.com/howl-editor/howl/releases/download/${version}/howl-${version}.tgz";
+    sha256 = "1qc58l3rkr37cj6vhf8c7bnwbz93nscyraz7jxqwjq6k4gj0cjw3";
+  };
+
+  sourceRoot = "./howl-${version}/src";
+
+  # The Makefile uses "/usr/local" if not explicitly overridden
+  installFlags = [ "PREFIX=$(out)" ];
+
+  nativeBuildInputs = [ makeWrapper pkg-config ];
+  buildInputs = [ gtk3 librsvg ];
+  enableParallelBuilding = true;
+
+  # Required for the program to properly load its SVG assets
+  postInstall = ''
+    wrapProgram $out/bin/howl \
+      --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE"
+  '';
+
+  meta = {
+    homepage = "https://howl.io/";
+    description = "A general purpose, fast and lightweight editor with a keyboard-centric minimalistic user interface";
+    license = licenses.mit;
+    maintainers = with maintainers; [ pacien ];
+
+    # LuaJIT and Howl builds fail for x86_64-darwin and aarch64-linux respectively
+    platforms = [ "i686-linux" "x86_64-linux" ];
+  };
+}
+