Abstract use_svc to AV1_PRIMARY

Moved use_svc from AV1_COMP to AV1_PRIMARY.

Change-Id: Ia45a29fb4186c9f25ea75452c0f8a34d210a6010
diff --git a/av1/encoder/superres_scale.c b/av1/encoder/superres_scale.c
index f0e9e9c..283faab 100644
--- a/av1/encoder/superres_scale.c
+++ b/av1/encoder/superres_scale.c
@@ -346,7 +346,7 @@
   size_params_type rsz = { frm_dim_cfg->width, frm_dim_cfg->height,
                            SCALE_NUMERATOR };
   int resize_denom = SCALE_NUMERATOR;
-  if (has_no_stats_stage(cpi) && cpi->use_svc &&
+  if (has_no_stats_stage(cpi) && cpi->ppi->use_svc &&
       cpi->svc.spatial_layer_id < cpi->svc.number_spatial_layers - 1) {
     rsz.resize_width = cpi->common.width;
     rsz.resize_height = cpi->common.height;