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/security/wpscan/update.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p bash bundix bundler
+
+set -e
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+rm -f Gemfile.lock Gemfile.lock
+
+# Otherwise nokogiri will fail to build.
+# https://github.com/nix-community/bundix/issues/88
+bundler config set --local force_ruby_platform true
+
+bundler lock
+BUNDLE_GEMFILE=Gemfile bundler lock --lockfile=Gemfile.lock
+bundix --gemfile=Gemfile --lockfile=Gemfile.lock --gemset=gemset.nix