Allow intra mode search in tpl model

STATS_CHANGED

Change-Id: I0fd67d0ccb37df966099823db0e2ecd02a2e7f8e
diff --git a/av1/encoder/tpl_model.c b/av1/encoder/tpl_model.c
index c863698..90c4c4e 100644
--- a/av1/encoder/tpl_model.c
+++ b/av1/encoder/tpl_model.c
@@ -161,6 +161,8 @@
   xd->left_mbmi = NULL;
   xd->mi[0]->sb_type = bsize;
   xd->mi[0]->motion_mode = SIMPLE_TRANSLATION;
+  xd->up_available = mi_row > 0;
+  xd->left_available = mi_col > 0;
 
   const int qstep_cur_noise = 0;