qcacmn: Add stats for mnagement tx frames

Add counter stats for number of management frames sent via
wmi and number of completions received.

Change-Id: Id5e72858b1e258b089b170a6d15ba395782645cc
CRs-Fixed: 2060117

dp/inc/cdp_txrx_stats_struct.h

@@ -213,6 +213,11 @@ struct ol_ath_radiostats {
 	A_INT16     chan_nf;
 	A_UINT32    rx_last_msdu_unset_cnt;
 	A_INT16     chan_nf_sec80;
+	A_UINT64    wmi_tx_mgmt;
+	A_UINT64    wmi_tx_mgmt_completions;
+	A_UINT32    wmi_tx_mgmt_completion_err;
+	A_UINT32    peer_delete_req;
+	A_UINT32    peer_delete_resp;
 };
 
 #ifndef CONFIG_WIN