Add storage inventory support for hsbp-manager

Added storage inventory support for hsbp manager
Recently there is a upstream code changes done for
multiple storage support in bmcweb. So Added the storage
inventory interface as
/xyz/openbmc_project/inventory/item/storage/hsbp/1
in hsbp-manager.

get: https://{bmc_ip}/redfish/v1/Systems/system/Storage

{
    "@odata.id": "/redfish/v1/Systems/system/Storage",
    "@odata.type": "#StorageCollection.StorageCollection",
    "Members": [
        {
            "@odata.id": "/redfish/v1/Systems/system/Storage/1"
        }
    ],
    "Members@odata.count": 1,
    "Name": "Storage Collection"
}

get: https://{bmc_ip}/redfish/v1/Systems/system/Storage/1

{
    "@odata.id": "/redfish/v1/Systems/system/Storage/1",
    "@odata.type": "#Storage.v1_13_0.Storage",
    "Controllers": {
        "@odata.id": "/redfish/v1/Systems/system/Storage/1/
Controllers"
    },
    "Drives": [
        {
            "@odata.id": "/redfish/v1/Systems/system/Storage/1
/Drives/Drive_1"
        },
        {
            "@odata.id": "/redfish/v1/Systems/system/Storage/1
/Drives/Drive_2"
        }
    ],
    "Drives@odata.count": 2,
    "Id": "1",
    "Name": "Storage",
    "Status": {
        "Health": "OK",
        "HealthRollup": "OK",
        "State": "Enabled"
    }
}


Redfish Validator: passed

Change-Id: I086ef93952767e8b676ab6fb1dba244ac416d032
Signed-off-by: Dileep Kumar Choppa <dileepx.kumar.choppa@intel.com>
diff --git a/hsbp-manager/src/hsbp_manager.cpp b/hsbp-manager/src/hsbp_manager.cpp
index c14397d..2f615d2 100644
--- a/hsbp-manager/src/hsbp_manager.cpp
+++ b/hsbp-manager/src/hsbp_manager.cpp
@@ -2854,10 +2854,14 @@
     /* Set the Dbus name */
     conn->request_name(busName);
 
+    std::shared_ptr<sdbusplus::asio::dbus_interface> storageIface;
+
     /* Add interface for storage inventory */
-    objServer.add_interface("/xyz/openbmc_project/inventory/item/storage",
+    storageIface = objServer.add_interface("/xyz/openbmc_project/inventory/item/storage/hsbp/1",
                             "xyz.openbmc_project.inventory.item.storage");
 
+    storageIface->initialize();
+
     /* HSBP initializtion flow:
      * 1. Register GPIO event callback on FM_SMB_BMC_NVME_LVC3_ALERT_N line
      * 2. Set up Dbus match for power - determine if host is up and running