qcacld-3.0: Enable VDEV manager module

Modify configuration file to enable the VDEV
manager functionality.

Change-Id: I97787eb2a94db87b33fd0eb33146cca783e8a04d
CRs-Fixed: 2402489

configs/default_defconfig

@@ -735,7 +735,7 @@ endif
 endif
 
 #Enable VDEV STATE MACHINE
-CONFIG_CMN_VDEV_MLME_SM := n
+CONFIG_CMN_VDEV_MLME_SM := y
 ifeq ($(CONFIG_CMN_VDEV_MLME_SM), y)
 #Enable STATE MACHINE HISTORY
 CONFIG_SM_ENG_HIST := n