Dbus: Add interfaces for Scheduled Host Transition

This yaml file is used to generate interfaces for Scheduled Host Transition.

Change-Id: I796d9b981749056cd24f69f83bd3767694f2382f
Signed-off-by: Carol Wang <wangkair@cn.ibm.com>
diff --git a/xyz/openbmc_project/ScheduledTime.errors.yaml b/xyz/openbmc_project/ScheduledTime.errors.yaml
new file mode 100644
index 0000000..30d238d
--- /dev/null
+++ b/xyz/openbmc_project/ScheduledTime.errors.yaml
@@ -0,0 +1,2 @@
+- name: InvalidTime
+  description: Scheduled time is in the past