To make use of the hardware watchdog it is sufficient to set
the RuntimeWatchdogSec= option in /etc/systemd/system.conf.
It defaults to 0 (i.e. no hardware watchdog use). Set it to
a value like 20s and the watchdog is enabled.
ref: https://0pointer.de/blog/projects/watchdog.html
(From OE-Core rev: 1c61a1eb9c4faa9ab32b0440bbdd88c22c3cd945)
Signed-off-by: Benjamin Szőke <egyszeregy@freemail.hu>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
7f9b94a8a2