Add search_txk_type

Change-Id: I50493fa9daf2de8859608d57f8d2010842c9eb07
diff --git a/av1/common/blockd.h b/av1/common/blockd.h
index 3910faa..bdd04ad 100644
--- a/av1/common/blockd.h
+++ b/av1/common/blockd.h
@@ -325,6 +325,9 @@
 #endif
   MV_REFERENCE_FRAME ref_frame[2];
   TX_TYPE tx_type;
+#if CONFIG_LV_MAP
+  TX_TYPE txk_type[MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)];
+#endif
 
 #if CONFIG_FILTER_INTRA
   FILTER_INTRA_MODE_INFO filter_intra_mode_info;