Define enabled property for reset/power button

It is used to disable/enable reset/power button.
Set front panel button enables command depends on this.

Change-Id: I4cb3dabce889376d87dde570c56a456835a9a66e
Signed-off-by: Kuiying Wang <kuiying.wang@intel.com>
diff --git a/xyz/openbmc_project/Chassis/Buttons/Reset.interface.yaml b/xyz/openbmc_project/Chassis/Buttons/Reset.interface.yaml
index 3c91afd..7db8bd5 100644
--- a/xyz/openbmc_project/Chassis/Buttons/Reset.interface.yaml
+++ b/xyz/openbmc_project/Chassis/Buttons/Reset.interface.yaml
@@ -8,6 +8,18 @@
        - xyz.openbmc_project.Chassis.Common.Error.UnsupportedCommand
        - xyz.openbmc_project.Chassis.Common.Error.IOError
 
+properties:
+    - name: Enabled
+      type: boolean
+      default: true
+      description: >
+        Enable/disable reset button.
+        false means reset button is disabled
+        true means reset button is enabled
+      errors:
+       - xyz.openbmc_project.Chassis.Common.Error.UnsupportedCommand
+       - xyz.openbmc_project.Chassis.Common.Error.IOError
+
 signals:
     - name: Released
       description: >