cnss2: Print the bandwidth level voted to IPC log

This refine commit 418727f314fa ("cnss2: Print the bandwidth level voted"),
to avoid too many vote log in dmesg during traffic test.

Change-Id: Ia260a84bcdb3e5154376471519340db1b5907ce4
CRs-Fixed: 3273973

cnss2/pci.c

@@ -961,7 +961,7 @@ static int cnss_setup_bus_bandwidth(struct cnss_plat_data *plat_priv,
 		return -EINVAL;
 	}
 
-	cnss_pr_vdbg("Bandwidth vote to %d, save %d\n", bw, save);
+	cnss_pr_buf("Bandwidth vote to %d, save %d\n", bw, save);
 
 	list_for_each_entry(bus_bw_info, &plat_priv->icc.list_head, list) {
 		ret = icc_set_bw(bus_bw_info->icc_path,