qcacld-3.0: Enable TX_AGGREGATION_SIZE for auto platforms
HST/Genoa/Rome support TX_AGGREGATION_SIZE, need enable it.
TX_AGGREGATION_SIZE is introduced in
change: I9e49ad5218f913f116cf4472f768f572740f14df .
Change-Id: I63fc729f3daf2b1757c5eb2fb839ed22ebce359a
CRs-Fixed: 2926281