Interfaces for IPZ VPD

This commit adds interface YAMLs to provide
access to IPZ VPD (an IBM VPD format).

The interfaces are contained within the
com.ibm.ipzvpd namespace.

The commit also adds a configure option to
enable compiling these interfaces (--enable-ibm-dbus-interfaces)

Signed-off-by: Santosh Puranik <santosh.puranik@in.ibm.com>
Change-Id: I4832bc6b6f1e9f7e4235757d69f018b17cb896b1
diff --git a/com/ibm/ipzvpd/VSBP.interface.yaml b/com/ibm/ipzvpd/VSBP.interface.yaml
new file mode 100644
index 0000000..c7487ca
--- /dev/null
+++ b/com/ibm/ipzvpd/VSBP.interface.yaml
@@ -0,0 +1,20 @@
+description: >
+    Implement to represent the VSBP record in IPZ VPD
+properties:
+    - name: RT
+      type: array[byte]
+      description: >
+          RT keyword. Contains the record name.
+    - name: DR
+      type: array[byte]
+      description: >
+          Descrition of the record.
+    - name: PA
+      type: array[byte]
+      description: >
+          Is op-panel installed.
+    - name: IM
+      type: array[byte]
+      description: >
+          A unique keyword to identify the system.
+