wlan:MAC: Multiuser Transmit Beamforming Host changes

Adds the MU Bformee host related changes, INI param EnableMuBformee
is added to enable the feature. A new Feature bit(MU_MIMO-41) is also
added in interface file.

CRs-Fixed: 694121
Change-Id: Ifcd25f3dfe1fe3ad99eb10873c31f68f6d8dc9f8
diff --git a/CORE/MAC/src/include/sirParams.h b/CORE/MAC/src/include/sirParams.h
index 8c7b20f..375716c 100644
--- a/CORE/MAC/src/include/sirParams.h
+++ b/CORE/MAC/src/include/sirParams.h
@@ -108,6 +108,8 @@
 #ifdef WLAN_FEATURE_LINK_LAYER_STATS
    LINK_LAYER_STATS_MEAS  = 40,
 #endif
+
+   MU_MIMO                = 41,
 #ifdef WLAN_FEATURE_EXTSCAN
    EXTENDED_SCAN          = 42,
 #endif