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/servers/jibri/update.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl pup common-updater-scripts
+
+set -eu -o pipefail
+
+version="$(curl https://download.jitsi.org/stable/ | \
+    pup 'a[href] text{}' | \
+    awk -F'[_-]' '/jibri/ {printf $2"-"$3"-"$4"\n"}' | \
+    sort -u | \
+    tail -n 1)"
+
+update-source-version jibri "$version"