wlan: Wlan Scan results aging based on Timing mechansim.

Added a new feature to support aging out of scan results based on timer.

Change-Id: Ibbedb5efe2eaca0a31607da28739644587bc9523
CR-Fixed: 426964
diff --git a/CORE/SME/inc/csrInternal.h b/CORE/SME/inc/csrInternal.h
index 0c30bf9..b513e18 100644
--- a/CORE/SME/inc/csrInternal.h
+++ b/CORE/SME/inc/csrInternal.h
@@ -661,9 +661,11 @@
 #endif
     tPalTimerHandle hTimerIdleScan;
     tPalTimerHandle hTimerResultAging;
+    tPalTimerHandle hTimerResultCfgAging;
     tPalTimerHandle hTimerBgScan;
     //changes on every scan, it is used as a flag for whether 11d info is found on every scan
-    tANI_U8 channelOf11dInfo;   
+    tANI_U8 channelOf11dInfo;
+    tANI_U8 scanResultCfgAgingTime;
     //changes on every scan, a flag to tell whether conflict 11d info found on each BSS
     tANI_BOOLEAN fAmbiguous11dInfoFound;    
     //Tush: changes on every scan, a flag to tell whether the applied 11d info present in one of the scan results