wlan: Support MCC for STA+STA concurrency.

Currently we are restricting the STA+STA
concurrency cases. Allow these two concurrency modes(MCC),
Since firmware is supporting these modes.

CRs-Fixed: 664880
Change-Id: Idd63a459667aa42bc6aba15bc935bf10b34d924b
diff --git a/CORE/SME/src/csr/csrUtil.c b/CORE/SME/src/csr/csrUtil.c
index 4aa4616..754e890 100644
--- a/CORE/SME/src/csr/csrUtil.c
+++ b/CORE/SME/src/csr/csrUtil.c
@@ -2751,7 +2751,7 @@
                 case VOS_STA_MODE:
                     {
                         smsLog(pMac, LOG4, FL(" Second session for persona %d"), currBssPersona);
-                        return eHAL_STATUS_FAILURE;
+                        return eHAL_STATUS_SUCCESS;
                     }
                     break;