schemas: Add interfaces for Item.Accelerator and Item.Dimm

This commit add the interfaces as described in [1] and [2].

[1] https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Inventory/Item/Accelerator.interface.yaml

[2] https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml

Tested:
Interfaces are added with the corresponding properties under
the related path.

Change-Id: Id4db6ebd599e94ec23f9c5db96fa3e9143619299
Signed-off-by: Sean He <sean.he.wiwynn@gmail.com>
diff --git a/schemas/global.json b/schemas/global.json
index fcf057b..955a034 100644
--- a/schemas/global.json
+++ b/schemas/global.json
@@ -140,6 +140,12 @@
                 },
                 "xyz.openbmc_project.Inventory.Item.Storage": {
                     "$ref": "openbmc-dbus.json#/$defs/xyz/openbmc_project/Inventory/Item/Storage"
+                },
+                "xyz.openbmc_project.Inventory.Item.Accelerator": {
+                    "$ref": "openbmc-dbus.json#/$defs/xyz/openbmc_project/Inventory/Item/Accelerator"
+                },
+                "xyz.openbmc_project.Inventory.Item.Dimm": {
+                    "$ref": "openbmc-dbus.json#/$defs/xyz/openbmc_project/Inventory/Item/Dimm"
                 }
             },
             "required": ["Exposes", "Name", "Probe", "Type"]