Software: add initial software-version mgmt

Change-Id: I3b50488b8383c595b4b41375ea0d62d62bdc0eed
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/xyz/openbmc_project/FilePath.interface.yaml b/xyz/openbmc_project/FilePath.interface.yaml
new file mode 100644
index 0000000..355298a
--- /dev/null
+++ b/xyz/openbmc_project/FilePath.interface.yaml
@@ -0,0 +1,11 @@
+description: >
+    An interface which encapsulates a file-system path on the BMC.
+
+    Typically, this is added onto an existing object path to show a
+    relationship between the object, in the dbus namespace, and a file, in
+    the filesystem namespace.
+properties:
+    - name: Path
+      type: string
+      description: >
+        The filesystem path for the dbus object.