Get the correct present countdown value when watchdog is stopped

The timeRemaining property in watchdog service will return 0
if the watchdog is not started.

Tested By:
ipmitool raw 0x6 0x24 0x0 0x0 0x0 0x0 0xa 0xb
ipmitool mc watchdog get

Change-Id: I27992f25a0e2c75df398ec5e2702b467365e9a32
Signed-off-by: Yong Li <yong.b.li@linux.intel.com>
1 file changed