qcacmn: Flush the LUT cache before freeing REO queue

Changes to implement the HW recipe to flush LUT cache
before freeing REO queue in SW

Change-Id: I0168a0e8aef8245f3d2b86b601226f97c376f484
CRs-Fixed: 3384508

dp/wifi3.0/dp_peer.c

@@ -3645,6 +3645,7 @@ static void dp_reo_desc_free(struct dp_soc *soc, void *cb_ctxt,
 
 	DP_RX_REO_QDESC_FREE_EVT(freedesc);
 
+	hal_reo_shared_qaddr_cache_clear(soc->hal_soc);
 	qdf_mem_unmap_nbytes_single(soc->osdev,
 		rx_tid->hw_qdesc_paddr,
 		QDF_DMA_BIDIRECTIONAL,