P2P: Defer IMPS for configured gDeferIMPStime value.

Defer entering into IMPS mode for the duration of configured
gDeferIMPStime if any command is processed.

To disable deferring IMPS, configure variable gDeferIMPStime
must be set to 0. By default it is 200ms and maximum value
500ms can be configured.

Change-Id: I32ed20875954b884d637f40ea9c520538c4d5cd1
CRs-Fixed: 657916
diff --git a/CORE/MAC/inc/aniGlobal.h b/CORE/MAC/inc/aniGlobal.h
index bc7b4a9..f34d0da 100644
--- a/CORE/MAC/inc/aniGlobal.h
+++ b/CORE/MAC/inc/aniGlobal.h
@@ -1060,6 +1060,8 @@
     tANI_U8 isCoalesingInIBSSAllowed;
     tANI_U32 fEnableDebugLog;
     tSirQosMapSet QosMapSet;
+    tANI_U32 fDeferIMPSTime;
+    tANI_BOOLEAN deferImps;
 } tAniSirGlobal;
 
 #ifdef FEATURE_WLAN_TDLS