wlan:11AC Tx BeamForming Feature support.

Modified the driver to support 11AC Tx Beamforming Feature.

Change-Id: I4e08692f1637261315e41372a5891854a286300c
(cherry picked from commit af6fe6b148f1979b7c821b990a12d956d3cb39a3)
diff --git a/CORE/MAC/src/pe/lim/limPropExtsUtils.c b/CORE/MAC/src/pe/lim/limPropExtsUtils.c
index d36f8b6..72a3294 100644
--- a/CORE/MAC/src/pe/lim/limPropExtsUtils.c
+++ b/CORE/MAC/src/pe/lim/limPropExtsUtils.c
@@ -169,6 +169,8 @@
 #ifdef WLAN_FEATURE_11AC
         VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO_MED,
             "***beacon.VHTCaps.present*****=%d\n",pBeaconStruct->VHTCaps.present);
+        VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO_MED,
+           "***beacon.SU Beamformer Capable*****=%d\n",pBeaconStruct->VHTCaps.suBeamFormerCap);
 
         if ( pBeaconStruct->VHTCaps.present && pBeaconStruct->VHTOperation.present)
         {