etnaviv: drm: fix BO array leaks

Free the both arrays tracking BOs when the etna_cmd_stream is destroyed.

CC: mesa-stable
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20940>

src/etnaviv/drm/etnaviv_cmd_stream.c

@@ -135,6 +135,8 @@ void etna_cmd_stream_del(struct etna_cmd_stream *stream)
 	_mesa_hash_table_destroy(priv->bo_table, NULL);
 
 	free(stream->buffer);
+	free(priv->bos);
+	free(priv->submit.bos);
 	free(priv->submit.relocs);
 	free(priv->submit.pmrs);
 	free(priv);