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/libraries/libhsts/update.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq
+
+set -euo pipefail -x
+
+cd "$(dirname "$0")"
+
+chromium_version=$(curl -s "https://api.github.com/repos/chromium/chromium/tags" | jq -r 'map(select(.prerelease | not)) | .[1].name')
+sha256=$(nix-prefetch-url "https://raw.github.com/chromium/chromium/$chromium_version/net/http/transport_security_state_static.json")
+
+sed -e "0,/chromium_version/s/chromium_version = \".*\"/chromium_version = \"$chromium_version\"/" \
+    -e "0,/sha256/s/sha256 = \".*\"/sha256 = \"$sha256\"/" \
+  --in-place ./default.nix