InventoryItemDimm: Change the type of 'MemorySizeInKB'

Currently 'MemorySizeInKB' type is 'uint32', which is not supported in variant
And so Notify method is failing to update this property.
Changing it to type 'size' which is preferable for countable properties.

Signed-off-by: Alpana Kumari <alpankum@in.ibm.com>
Change-Id: I7863b4eecb1cee259c2276b254343f86e7b4a5bb
diff --git a/xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml b/xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml
index ff24340..3f628f2 100644
--- a/xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml
+++ b/xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml
@@ -6,7 +6,7 @@
       description: >
           Data width of Memory.
     - name: MemorySizeInKB
-      type: uint32
+      type: size
       description: >
           Memory size of DIMM in Kilobyte.
     - name: MemoryDeviceLocator