Create State.Boot.Raw interface

Provide an interface for broadcasting POST codes on the dbus. This
allows one consumer on the device while allowing anyone listening to
receive the data and perform an action.

Change-Id: I3c7bf6afb77be7ce49198e394547ddf8d9153de6
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/xyz/openbmc_project/State/Boot/Raw.interface.yaml b/xyz/openbmc_project/State/Boot/Raw.interface.yaml
new file mode 100644
index 0000000..9b90541
--- /dev/null
+++ b/xyz/openbmc_project/State/Boot/Raw.interface.yaml
@@ -0,0 +1,9 @@
+description: >
+    Implement to provide the Power-On Self Test codes from the host.
+
+properties:
+    - name: Value
+      type: uint64
+      description: >
+          The POST code value.
+