Add the cable interface

The cable interface is used to represent a cable instance in ipmi
inventory

Design Doc:
https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/45395

Signed-off-by: Chu Lin <linchuyuan@google.com>

Fixed minor whitespace issue and added meson.build.
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: Ia917288efd343dd77cdb57ee0c863ec4dfac096e
diff --git a/yaml/xyz/openbmc_project/Inventory/Item/Cable.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item/Cable.interface.yaml
new file mode 100644
index 0000000..486e56b
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Inventory/Item/Cable.interface.yaml
@@ -0,0 +1,3 @@
+description: >
+    xyz.openbmc_project.Inventory.Item.Cable should be implemented on objects
+    that represent a cable instance or a system cable instance.