watchdog: Implement error on reset of disabled watchdog

This enables the host to recover when the BMC resets or the daemon loses
state for some reason. A well formed host will resend the SetTimeout
command if it encounters this error code.

Change-Id: Ib5fd50ac3ad83ef820f0209354aa8f084a563995
Signed-off-by: William A. Kennington III <wak@google.com>
2 files changed