wlan: Add support to enable/disable MAWC

Add ini support to turn ON/OFF Motion assistance Legacy Fast Roaming
feature in FW. The MAWC feature enhances throughput by aggresively
initiating roaming when the user is in motion. It also helps roaming
in fringe coverage by initiating scans when the user is in motion.

Change-Id: I102a39a9e40a15726f54f60e03096fe5ffae9dde
CRs-Fixed: 568061
diff --git a/CORE/SME/inc/csrInternal.h b/CORE/SME/inc/csrInternal.h
index 6bdcc29..2304984 100644
--- a/CORE/SME/inc/csrInternal.h
+++ b/CORE/SME/inc/csrInternal.h
@@ -615,6 +615,7 @@
 
 #ifdef FEATURE_WLAN_LFR
     tANI_U8      isFastRoamIniFeatureEnabled;
+    tANI_U8      MAWCEnabled;
 #ifdef WLAN_FEATURE_ROAM_SCAN_OFFLOAD
     tANI_U8      isRoamOffloadScanEnabled;
     tANI_BOOLEAN bFastRoamInConIniFeatureEnabled;