qcacmn: Resume HW enqueue for TX desc for ME case if HW enqueue fails

In the present scenario, in case of Multicast Enhancement when
the multicast packet is received the packet is converted to
unicast packet and send to list of clients in the hyfi table.
During conversion descriptors get allocated from ME pool
for each client and the Tx MSDU descriptor is send to HW
for transmit. On TX completion descriptors are freed and
added back to ME pool.

But if the HW enqueue is failed then the current TX descriptor
is freed and added back to ME pool. But the remaining descriptor
are neither retried nor freed thus resulting in Host Asserted
Crash.

So, adding a fix that if the HW enqueue is failed for ME packet,
free that descriptor and retry HW enqueuing for the remaining
descriptors.

Change-Id: Ibfeb1b07ee8fab4bf066689d0258bb23fb2aa9f8
CRs-Fixed: 2545818

dp/wifi3.0/dp_tx.c

@@ -1660,6 +1660,8 @@ qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 				dp_tx_me_free_buf(pdev,
 					(void *)(msdu_info->u.sg_info
 						.curr_seg->frags[0].vaddr));
+				i++;
+				continue;
 			}
 			goto done;
 		}
@@ -1695,6 +1697,10 @@ qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 			tid_stats->swdrop_cnt[TX_HW_ENQUEUE]++;
 
 			dp_tx_desc_release(tx_desc, tx_q->desc_pool_id);
+			if (msdu_info->frm_type == dp_tx_frm_me) {
+				i++;
+				continue;
+			}
 			goto done;
 		}