wlan: IOCTL to tune miracast

Implement IOCTL which set the static config as:
1. Disable 64QAM rate.
2. Use only 4 blocks for aggregation.
3. In P2P-GO disable probe response for broadcast probe request.

CRs-Fixed: 806792
Change-Id: I8de0c8324492b5a39ea089877092d1573bd85d6a
diff --git a/CORE/MAC/inc/aniGlobal.h b/CORE/MAC/inc/aniGlobal.h
index d77f5cf..4e9cfcd 100644
--- a/CORE/MAC/inc/aniGlobal.h
+++ b/CORE/MAC/inc/aniGlobal.h
@@ -1079,6 +1079,7 @@
     v_U8_t miracast_mode;
     v_U8_t fBtcEnableIndTimerVal;
     v_U8_t roamDelayStatsEnabled;
+    tANI_BOOLEAN miracastVendorConfig;
 } tAniSirGlobal;
 
 #ifdef FEATURE_WLAN_TDLS