Add org/open_power D-Bus interfaces

In an effort to define all of the D-Bus interfaces in one place, this
commit adds the interfaces from the openpower-dbus-interfaces
repository.

To compile these interfaces, use the --enable-openpower-dbus-interfaces
configure flag.

Change-Id: I801cab4ac979e56d8325a42c14319a0b7cd094bb
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/org/open_power/Logging/PEL.interface.yaml b/org/open_power/Logging/PEL.interface.yaml
new file mode 100644
index 0000000..d78b641
--- /dev/null
+++ b/org/open_power/Logging/PEL.interface.yaml
@@ -0,0 +1,36 @@
+description: >
+  Provides D-Bus access to OpenPower Platform Event Logs
+methods:
+  - name: GetPEL
+    description: >
+      Returns a file desciptor to a PEL.
+    parameters:
+      - name: pelID
+        type: uint32
+        description: >
+          The PEL log ID of the PEL to retrieve.
+    returns:
+      - name: data
+        type: unixfd
+        description: >
+          A file descriptor for a file that contains the PEL.
+    errors:
+       - xyz.openbmc_project.Common.Error.InternalFailure
+       - xyz.openbmc_project.Common.Error.InvalidArgument
+
+  - name: GetPELFromOBMCID
+    description: >
+      Returns PEL data based on the OpenBMC event log ID.
+    parameters:
+      - name: obmcLogID
+        type: uint32
+        description: >
+          The OpenBMC event log ID of the PEL to retrieve.
+    returns:
+      - name: data
+        type: array[byte]
+        description: >
+          The PEL data
+    errors:
+       - xyz.openbmc_project.Common.Error.InternalFailure
+       - xyz.openbmc_project.Common.Error.InvalidArgument