labstation: servo reboot and update

Reboot servo v4 on servod restart or reboot.
This keeps the servo firmware up to date and
ensures fresh state on the servo for a servod restart.

TEST=clobbered Cassandra lab labstation, booted with delay and update

Change-Id: I763d0d2be70f5d9f4272e54400192799cce25fd4
Commit-Ready: Nick Sanders <>
Tested-by: Nick Sanders <>
Reviewed-by: Richard Barnette <>
Reviewed-by: Congbin Guo <>
2 files changed