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/networking/ngrok-2/update.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -p httpie
+#!nix-shell -p jq
+#!nix-shell -i bash
+
+set -eu -o pipefail
+
+get_download_info() {
+    http --body \
+         https://update.equinox.io/check \
+         'Accept:application/json; q=1; version=1; charset=utf-8' \
+         'Content-Type:application/json; charset=utf-8' \
+         app_id=app_goVRodbMVm \
+         channel=stable \
+         os=$1 \
+         goarm= \
+         arch=$2 \
+    | jq --arg sys "$1-$2" '{
+        sys: $sys,
+        url: .download_url,
+        sha256: .checksum,
+        version: .release.version
+    }'
+}
+
+(
+    get_download_info linux 386
+    get_download_info linux amd64
+    get_download_info linux arm
+    get_download_info linux arm64
+    get_download_info darwin amd64
+    get_download_info darwin arm64
+) | jq --slurp 'map ({ (.sys): . }) | add' \
+    > pkgs/tools/networking/ngrok-2/versions.json