meta-quanta: gbs: fix can't get MB FRU for Redfish

Add system interface to FRU yaml to fix no MB FRU for Redfish

(From meta-quanta rev: e2c1d850ae844ccaf59c779d8967e8de74df322f)

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I3af6db27a6da657e6b17d7d3c3c11bd6815391b3
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-quanta/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-fru.yaml b/meta-quanta/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-fru.yaml
index 9ab747b..53cc486 100644
--- a/meta-quanta/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-fru.yaml
+++ b/meta-quanta/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-fru.yaml
@@ -24,6 +24,7 @@
         Version:
           IPMIFruProperty: FRU File ID
           IPMIFruSection: Board
+      xyz.openbmc_project.Inventory.Item.System:
 
 0x01:
   /system/chassis/hsbp: