wlan: Insure that LFR BG scanning is not performed for any non-Infra association.

Insure that LFR BG scanning is not performed
for any non-Infra association.
Modify csrRoamIsFastRoamEnabled() to check
the persona for the association.
Return FALSE is the persona is not VOS_STA_MODE.

Change-Id: I68bad6ccdd985dce2abf1cd80724e0b30f43b18a
CR-Fixed: 423980
diff --git a/CORE/SME/inc/csrInternal.h b/CORE/SME/inc/csrInternal.h
index d84258b..559318b 100644
--- a/CORE/SME/inc/csrInternal.h
+++ b/CORE/SME/inc/csrInternal.h
@@ -1238,7 +1238,7 @@
 
 #ifdef FEATURE_WLAN_LFR
 //Returns whether "Legacy Fast Roaming" is enabled...or not
-tANI_BOOLEAN csrRoamIsFastRoamEnabled(tpAniSirGlobal pMac);
+tANI_BOOLEAN csrRoamIsFastRoamEnabled(tpAniSirGlobal pMac, tANI_U32 sessionId);
 tANI_BOOLEAN csrIsChannelPresentInList( tANI_U8 *pChannelList, int  numChannels, tANI_U8   channel );
 VOS_STATUS csrAddToChannelListFront( tANI_U8 *pChannelList, int  numChannels, tANI_U8   channel );
 #endif