qcacld-2.0: Ignore BMISS indication in case previous one is not processed

prima to qcacld-2.0 propagation

If SME has active cmd, continuous BMiss in BMPS state will
exhaust sme command pool.
To avoid this, Ignore BMiss indication in case previous one is
not processed.
CRs-Fixed: 979109
Change-Id: I87f6d5437f181abb92772ad142b2101547d76657

drivers/net/wireless/qcacld-2.0/CORE/MAC/src/pe/lim/limApi.c

@@ -1931,6 +1931,12 @@ void limHandleMissedBeaconInd(tpAniSirGlobal pMac, tpSirMsgQ pMsg)
         limMissedBeaconInActiveMode(pMac, psessionEntry);
     }
 #endif
+    if (pMac->pmm.inMissedBeaconScenario == TRUE) {
+        limLog(pMac, LOGW,
+               FL("beacon miss handling is already going on for BSSIdx:%d"),
+               pSirMissedBeaconInd->bssIdx);
+        return;
+    }
     else
     {
         limLog(pMac, LOGE,