treewide: use more specific object_path type

The sdbus++ tool allows the YAML to specify either "path" or
"object_path".  Switch to "object_path" everywhere for consistency
and clarity.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I60c51b2ece5fc4cb23d05ce5151301db3dcddf3a
diff --git a/yaml/xyz/openbmc_project/Control/FanRedundancy.interface.yaml b/yaml/xyz/openbmc_project/Control/FanRedundancy.interface.yaml
index 17e956a..235a95b 100644
--- a/yaml/xyz/openbmc_project/Control/FanRedundancy.interface.yaml
+++ b/yaml/xyz/openbmc_project/Control/FanRedundancy.interface.yaml
@@ -8,7 +8,7 @@
       description: >
           Number of fans in error state before redundancy is lost.
     - name: Collection
-      type: array[path]
+      type: array[object_path]
       flags:
           - const
       description: >