Add new interface Debug.Pid.Thermal/Power

- According to the issue#27, adding new interface to record the driver
  sensor name, driver sensor value and PID loop result to dbus.

interface:
Debug.Pid.ThermalPower => Record the sensor name and reading with the
                          highest temperature or power in the input
                          list. And record the result of pid loop

Debug.Pid.Zone => Record the pid config name that that is driving the
                  fans

refs:
https://github.com/openbmc/phosphor-pid-control/issues/27

Change-Id: I67051616958e07c148eabee658165082855c674d
Signed-off-by: Harvey Wu <Harvey.Wu@quantatw.com>
diff --git a/gen/xyz/openbmc_project/meson.build b/gen/xyz/openbmc_project/meson.build
index 9a092ad..f03b941 100644
--- a/gen/xyz/openbmc_project/meson.build
+++ b/gen/xyz/openbmc_project/meson.build
@@ -51,6 +51,7 @@
 subdir('Condition')
 subdir('Console')
 subdir('Control')
+subdir('Debug')
 subdir('Dump')
 subdir('HardwareIsolation')
 generated_others += custom_target(