Inventory: adding the extra properties for motherboard

Motherboard inventory was not seen as present as it
was not there in the extra-properties/config.yaml.

Resolves openbmc/openbmc#1216

Change-Id: I9ce6d1a42c0a7da36897425f735239b40d7acff3
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/common/recipes-phosphor/ipmi/phosphor-ipmi-fru-properties-mrw/config.yaml b/common/recipes-phosphor/ipmi/phosphor-ipmi-fru-properties-mrw/config.yaml
index eb62648..ad55610 100644
--- a/common/recipes-phosphor/ipmi/phosphor-ipmi-fru-properties-mrw/config.yaml
+++ b/common/recipes-phosphor/ipmi/phosphor-ipmi-fru-properties-mrw/config.yaml
@@ -21,3 +21,11 @@
         Cached: 'false'
     xyz.openbmc_project.Inventory.Item:
         Present: 'true'
+
+NODE:
+    xyz.openbmc_project.Inventory.Decorator.Replaceable:
+        FieldReplaceable: 'false'
+    xyz.openbmc_project.Inventory.Decorator.Cacheable:
+        Cached: 'false'
+    xyz.openbmc_project.Inventory.Item:
+        Present: 'true'