configurations: yv4 sentinel dome: add interface

Add ManagedHost interface to yv4 sentinel dome, which will be
used by bmcweb for system discovery and other dbus operations.

Change-Id: I633722ccfa7d957d976ef7dc37fdda12df35d59e
Signed-off-by: Oliver Brewka <mox669.dev@gmail.com>
diff --git a/configurations/yosemite4_sentineldome_chassis.json b/configurations/yosemite4_sentineldome_chassis.json
index 76a1ff2..b4932df 100644
--- a/configurations/yosemite4_sentineldome_chassis.json
+++ b/configurations/yosemite4_sentineldome_chassis.json
@@ -10,6 +10,9 @@
         "SerialNumber": "$PRODUCT_SERIAL_NUMBER",
         "SparePartNumber": "$PRODUCT_INFO_AM1"
     },
+    "xyz.openbmc_project.Inventory.Decorator.ManagedHost": {
+        "HostIndex": "$bus % 15"
+    },
     "xyz.openbmc_project.Inventory.Decorator.Slot": {
         "SlotNumber": "$bus % 15"
     }