qcacmn: Send cmd to dump FW stats on suspend failure

Add support to send unit test command to FW to dump
stats on suspend failure due to pending tx completions.

Change-Id: I6afb69a862c366c66a1e1f3dc009964272dfb75a
CRs-Fixed: 3151458

dp/wifi3.0/dp_tx.c

@@ -5114,6 +5114,8 @@ next_desc:
 	if (head_desc)
 		dp_tx_comp_process_desc_list(soc, head_desc, ring_id);
 
+	DP_STATS_INC(soc, tx.tx_comp[ring_id], count);
+
 	/*
 	 * If we are processing in near-full condition, there are 3 scenario
 	 * 1) Ring entries has reached critical state