Handles systems with multiple watchdog hardware blocks. Identifies
each watchdog via the glob pattern
`/sys/devices/platform/*.watchdog_cl*/watchdog/watchdog*` to sysfs
path, and initializes and services each of them.
Bug: 295364297
Change-Id: I785c84e492a2286a5155a5b4692dae2a95df0cc4
Watchdogd should be alive to complete shutdown
safely. This also aligns the behavior with previous
watchdogd.
Bug: 267080705
Test: boot
Change-Id: Iad85a0d730d032ae57530e0aa6965e2123488b2f
Signed-off-by: Martin Liu <liumartin@google.com>