Add WASMSIMD binary ops with linear activation

PiperOrigin-RevId: 319303056
diff --git a/test/f32-vsub.yaml b/test/f32-vsub.yaml
new file mode 100644
index 0000000..e231127
--- /dev/null
+++ b/test/f32-vsub.yaml
@@ -0,0 +1,6 @@
+# Copyright 2020 Google LLC
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+- name: xnn_f32_vsub_ukernel__wasmsimd_x4
+- name: xnn_f32_vsub_ukernel__wasmsimd_x8