prima: Add new vendor command to get link properties

Add support in driver for a new vendor command to get
the link properties nss, rate flags and operating
frequency.

Change-Id: Ie3b8d5b2c3886055d303441c5d8b2f2a0a2719bd
CRs-Fixed: 899952
diff --git a/CORE/MAC/inc/sirApi.h b/CORE/MAC/inc/sirApi.h
index d78f208..8a94bd2 100644
--- a/CORE/MAC/inc/sirApi.h
+++ b/CORE/MAC/inc/sirApi.h
@@ -1201,6 +1201,7 @@
     tANI_U8*             beaconPtr;
     tANI_U32             assocReqLength;
     tANI_U8*             assocReqPtr;
+    uint32_t             rate_flags;
 } tSirSmeAssocInd, *tpSirSmeAssocInd;