tree d276ec74be9d87ec0f442924cf4cb81752b0717a
parent f7c07c9553c5088b9a346e838183836212df2b6c
author Harvey Wu <Harvey.Wu@quantatw.com> 1675925935 +0800
committer Harvey Wu <Harvey.Wu@quantatw.com> 1695192812 +0800

zone: Add debug interface to zone dbus path

- Add xyz.openbmc_project.Debug.Pid.Zone interface to fanctrl/zoneX dbus
  to record the PID config name which is driving this zone.

TEST:
```
busctl introspect xyz.openbmc_project.State.FanCtrl /xyz/openbmc_project/settings/fanctrl/zone0 xyz.openbmc_project.Debug.Pid.Zone
NAME                               TYPE      SIGNATURE RESULT/VALUE FLAGS
.Leader                            property  s         "CPU0_PID"   emits-change
```

Signed-off-by: Harvey Wu <Harvey.Wu@quantatw.com>
Change-Id: I6fcfa596eec6b51a7727c2a01e7d36e3698eebcf