qcacmn: Keep rx_refill_buf_ring using index pdev->lmac_id under MCL case

Fix static analysis issue of rx_refill_buf_ring buffer overflow.
rx_refill_buf_ring length is different for WIN/MCL. For MCL length is 1,
WIN is 3. So rx_refill_buf_ring should always use index pdev->lmac_id to
replenish rx buffer for different MACs under MCL.

Change-Id: I00af069c09c01a81ae4aa54bad5beb79dc6fcff5
CRs-Fixed: 2703683

dp/wifi3.0/dp_main.c

@@ -1673,8 +1673,14 @@ static int dp_process_lmac_rings(struct dp_intr *int_ctx, int total_budget)
 					(1 << mac_for_pdev)) {
 			union dp_rx_desc_list_elem_t *desc_list = NULL;
 			union dp_rx_desc_list_elem_t *tail = NULL;
-			struct dp_srng *rx_refill_buf_ring =
-				&soc->rx_refill_buf_ring[mac_for_pdev];
+			struct dp_srng *rx_refill_buf_ring;
+
+			if (wlan_cfg_per_pdev_lmac_ring(soc->wlan_cfg_ctx))
+				rx_refill_buf_ring =
+					&soc->rx_refill_buf_ring[mac_for_pdev];
+			else
+				rx_refill_buf_ring =
+					&soc->rx_refill_buf_ring[pdev->lmac_id];
 
 			intr_stats->num_host2rxdma_ring_masks++;
 			DP_STATS_INC(pdev, replenish.low_thresh_intrs,