Network: define interface for system configuration

This interface would be used to implement the system specific
network configuration parameter.

Change-Id: I189de73da88a31785af22a6edbccb9bda6d50d06
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/xyz/openbmc_project/Network/SystemConfiguration.interface.yaml b/xyz/openbmc_project/Network/SystemConfiguration.interface.yaml
new file mode 100644
index 0000000..346f53e
--- /dev/null
+++ b/xyz/openbmc_project/Network/SystemConfiguration.interface.yaml
@@ -0,0 +1,11 @@
+description: >
+    Implement to provide system specific network configuration features.
+properties:
+    - name: HostName
+      type: string
+      description: >
+          The value of this property shall be host name of the system.
+    - name: DefaultGateway
+      type: string
+      description: >
+          default gateway of the system.