This adds support for the Sigma Designs SMP86xx/SMP87xx family built-in
watchdog.
Signed-off-by: NMans Rullgard <mans@mansr.com>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>