wlan: Remove unwanted logs from STA connect/disconnect path.

As a part of logging improvement,remove redundant
logs, change certain log levels in STA connect/
disconnect path to make logs more useful.

Change-Id: I0fe57d4425bd637ff24ed284dccd7ee88309f79d
CRs-Fixed: 842896
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 7243ae1..de15ff5 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -9690,8 +9690,6 @@
     int rssi = 0;
     struct cfg80211_bss *bss = NULL;
 
-    ENTER();
-
     if( NULL == pBssDesc )
     {
         hddLog(VOS_TRACE_LEVEL_FATAL, "%s: pBssDesc is NULL", __func__);
@@ -9887,8 +9885,8 @@
     rssi = (VOS_MIN ((bss_desc->rssi + bss_desc->sinr), 0)) * 100;
 
     hddLog(VOS_TRACE_LEVEL_INFO, "%s: BSSID:" MAC_ADDRESS_STR " Channel:%d"
-          "RSSI:%d", __func__, MAC_ADDR_ARRAY(mgmt->bssid),
-                               chan->center_freq, (int)(rssi/100));
+          " RSSI:%d", __func__, MAC_ADDR_ARRAY(mgmt->bssid),
+                      vos_freq_to_chan(chan->center_freq), (int)(rssi/100));
 
     bss_status = cfg80211_inform_bss_frame(wiphy, chan, mgmt,
             frame_len, rssi, GFP_KERNEL);