tree 4e48cb963cc16d6b43e8e49376c0f489f3f90a8e
parent d1142e346da97ba6681122b6c27ae1e09e8f314d
author Lei YU <mine260309@gmail.com> 1522831882 +0800
committer Lei YU <mine260309@gmail.com> 1522831976 +0800

bmc_update.py: Use BMC state manager to reboot BMC

It was using BMC control service to call warmReset() to reboot BMC.
But now legacy BMC control service is removed so the call will fail.

Use BMC state manager instead to trigger BMC reboot.

Partially resolves openbmc/openbmc#3064.

Tested: Run legacy code update and verify PrepareForupdate() does reboot
        the BMC.

Change-Id: I9f0fcddce9fb8f4007db0dd17b3cd3840c8848fc
Signed-off-by: Lei YU <mine260309@gmail.com>