Currently two RXDMA_STATUS rings are allocated for the station targets
irrespective of whether DBS supported or not. Only one RXDMA_STATUS_RING
being used for non-DBS targets like QCA6750 and WCN6450, hence change
the number of RXDMA_STATUS_RING allocations to 1 for non-DBS targets.
Change-Id: I4f14c8b5cee892979765f776b37d44e99ba2d558
CRs-Fixed: 3578733