sw/vec_iree: Fix iree_hal_buffer_map_range API

Following the change in https://github.com/google/iree/pull/7900.
Use IREE_HAL_MAPPING_MODE_SCOPED for the output mapping access.

Change-Id: Ia2b1f768eb4933bf00c7e0b64c13654c9adb5510

samples/util/util.c

diff --git a/samples/util/util.c b/samples/util/util.c
index 2a0bec5..cb674a0 100644
--- a/samples/util/util.c
+++ b/samples/util/util.c
@@ -154,7 +154,8 @@
     if (iree_status_is_ok(result)) {
       result = iree_hal_buffer_map_range(
           iree_hal_buffer_view_buffer(ret_buffer_view),
-          IREE_HAL_MEMORY_ACCESS_READ, 0, IREE_WHOLE_BUFFER, &mapped_memory);
+          IREE_HAL_MAPPING_MODE_SCOPED, IREE_HAL_MEMORY_ACCESS_READ, 0,
+          IREE_WHOLE_BUFFER, &mapped_memory);
     }
     if (iree_status_is_ok(result)) {
       result = check_output_data(model, &mapped_memory, index_output);