qcacld-3.0: Add legacy VDEV manager callbacks

Add legacy VDEV manager callbacks framework.

Change-Id: I8529a54382b3ffdecd25e54a97fc69d6a6a68177
CRs-Fixed: 2312724
diff --git a/Kbuild b/Kbuild
index f250033..62009c7 100644
--- a/Kbuild
+++ b/Kbuild
@@ -850,6 +850,10 @@
 		$(MLME_DIR)/dispatcher/src/wlan_mlme_api.o \
 		$(MLME_DIR)/dispatcher/src/wlan_mlme_ucfg_api.o
 
+ifeq ($(CONFIG_VDEV_SM), y)
+MLME_OBJS += $(MLME_DIR)/core/src/wlan_mlme_vdev_mgr_interface.o
+endif
+
 ########## ACTION OUI ##########
 
 ACTION_OUI_DIR := components/action_oui