SE keys: test that the bit size is saved and loaded correctly

tests/suites/test_suite_psa_crypto_se_driver_hal.function

@@ -486,6 +486,8 @@ void key_creation_import_export( int min_slot, int restart )
     TEST_ASSERT( ram_slots[min_slot].type == PSA_KEY_TYPE_RAW_DATA );
 
     /* Test the key attributes and the key data. */
+    psa_set_key_bits( &attributes,
+                      PSA_BYTES_TO_BITS( sizeof( key_material ) ) );
     if( ! check_key_attributes( handle, &attributes ) )
         goto exit;
     PSA_ASSERT( psa_export_key( handle,