wlan: Send bssIdx in WLAN_HAL_ADD_BCN_FILTER_REQ to SLM.

Increase QWLANFW_MAX_BCN_FILTERS to 10 as it looks like 11AC VHT EID is
added in beacon filter req at host.

Change-Id: I0e75a1dfab34083412ea565ba46f56cae99f843b
CR-Fixed: NA
diff --git a/riva/inc/wlan_hal_msg.h b/riva/inc/wlan_hal_msg.h
index 76e75b5..835a03c 100644
--- a/riva/inc/wlan_hal_msg.h
+++ b/riva/inc/wlan_hal_msg.h
@@ -3639,6 +3639,8 @@
     tANI_U16    capabilityMask;
     tANI_U16    beaconInterval;
     tANI_U16    ieNum;
+    tANI_U8     bssIdx;
+    tANI_U8     reserved;
 } tBeaconFilterMsg, *tpBeaconFilterMsg;
 
 /* The above structure would be followed by multiple of below mentioned structure */