nuc: Reduce the period of watchdog check timer

There is probability to fail in firmware_ECWatchdog FAFT test by using
CONFIG_WATCHDOG_PERIOD_MS period for check timer. Use
CONFIG_AUX_TIMER_PERIOD_MS instead can fix it.

Modified drivers:
1. watchdog.c: change watchdog check timer period from
CONFIG_WATCHDOG_PERIOD_MS to CONFIG_AUX_TIMER_PERIOD_MS.

BUG=chrome-os-partner:34346
TEST=make buildall -j; test nuvoton IC specific drivers
BRANCH=none

Change-Id: I93e700968751ecd58f032c2f5866cf4f2eb0ffe4
Signed-off-by: CHLin <chlin56@nuvoton.com>
Reviewed-on: https://chromium-review.googlesource.com/324712
Commit-Ready: CH Lin <chlin56@nuvoton.com>
Tested-by: CH Lin <chlin56@nuvoton.com>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
1 file changed