Add watchdog.conf by default

[pichuang]

• Enable watchdog device
• The timeout of WD is 30s
• Interval is 5s
• Enable realtime
• Setting the priority is 1

Signed-off-by: Phil Huang [email protected]

[pichuang]

I believe all hardware should use hardware level watchdog to make sure the system can be recover from any emergency case (e.g. kernel crash)

echo c > /proc/sysrq-trigger Can help you verify the watchdog daemon is work well or not.