misc: Move to steady_timer

We found that the system clock can affect the deadline timer, causing
the timer to be cancelled if it does not meet expectations, so we
replaced it with steady_timer here, which many repositories have
already done, and this should have no other effect.

Change-Id: Id0d514100cdedc718c4e9dfc328bae8476aa1aeb
Signed-off-by: Jian Zhang <zhangjian.3032@bytedance.com>
1 file changed