qcacld-3.0: Display Runtime PM stats periodically

Display Runtime PM last busy stats periodically, this helps
to debug runtimepm issues even without dump availability.

Change-Id: Iae9b70ed49b94a4e098d87a0a00e539178f3c35d
CRs-Fixed: 3337901

components/dp/core/src/wlan_dp_bus_bandwidth.c

@@ -1159,6 +1159,7 @@ static void dp_display_periodic_stats(struct wlan_dp_psoc_context *dp_ctx,
 
 	if (counter * dp_ctx->dp_cfg.bus_bw_compute_interval >=
 		periodic_stats_disp_time * 1000) {
+		hif_rtpm_display_last_busy_hist(cds_get_context(QDF_MODULE_ID_HIF));
 		if (data_in_time_period) {
 			wlan_dp_display_txrx_stats(dp_ctx);
 			dp_txrx_ext_dump_stats(soc, CDP_DP_RX_THREAD_STATS);