configurations: harma: Add Build Date

Add BuildDate property on Harma.

Change-Id: I0d052506a32225881ce8e8be1d86b136b06e47c1
Signed-off-by: Peter Yin <peter.yin@quantatw.com>
diff --git a/configurations/harma_bsm.json b/configurations/harma_bsm.json
index d2df57b..0c218ab 100644
--- a/configurations/harma_bsm.json
+++ b/configurations/harma_bsm.json
@@ -11,6 +11,7 @@
     "Probe": "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME': 'Harma BSM '})",
     "Type": "Board",
     "xyz.openbmc_project.Inventory.Decorator.Asset": {
+        "BuildDate": "$BOARD_MANUFACTURE_DATE",
         "Manufacturer": "$BOARD_MANUFACTURER",
         "Model": "$BOARD_PRODUCT_NAME",
         "PartNumber": "$BOARD_PART_NUMBER",