Add mi_row and mi_col into mbmi to facilitate rd_debug process

Change-Id: Ia69f13c47f2dd34fabd220652691049166a06a68
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index e9e1def..026dcbc 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -442,6 +442,10 @@
   // TODO(slavarnway): Generate sb_type based on bwl and bhl, instead of
   // passing bsize from decode_partition().
   xd->mi[0]->mbmi.sb_type = bsize;
+#if CONFIG_RD_DEBUG
+  xd->mi[0]->mbmi.mi_row = mi_row;
+  xd->mi[0]->mbmi.mi_col = mi_col;
+#endif
   for (y = 0; y < y_mis; ++y)
     for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];