Network: Add NTP server in ethernet interface

Change-Id: I9adc3ae2d0e2a8b89b8d7f00c7f558f329680298
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/xyz/openbmc_project/Network/EthernetInterface.interface.yaml b/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
index eee21a8..fc744fc 100644
--- a/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
+++ b/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
@@ -30,3 +30,10 @@
       type: array[string]
       description: >
           DNS servers on the interface.
+    - name: NTPServers
+      type: array[string]
+      description: >
+          This property describes the NTP Servers on the interface.
+          Implementation of this Dbus-interface is required to implement this property.
+          This property supports read/write operation.
+          Configure the NTP servers on the system during write operation.