WAsm SIMD versions of ARGMAXPOOL microkernels

PiperOrigin-RevId: 321715776
diff --git a/BUILD.bazel b/BUILD.bazel
index da08310..309748a 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -513,6 +513,9 @@
 ]
 
 WASMSIMD_UKERNELS = [
+    "src/f32-argmaxpool/4x-wasmsimd-c4.c",
+    "src/f32-argmaxpool/9p8x-wasmsimd-c4.c",
+    "src/f32-argmaxpool/9x-wasmsimd-c4.c",
     "src/f32-avgpool/9p8x-minmax-wasmsimd-arm-c4.c",
     "src/f32-avgpool/9p8x-minmax-wasmsimd-x86-c4.c",
     "src/f32-avgpool/9x-minmax-wasmsimd-arm-c4.c",