F16 PReLU operator

PiperOrigin-RevId: 426323096
diff --git a/src/xnnpack/operator.h b/src/xnnpack/operator.h
index cd00a24..b41a4eb 100644
--- a/src/xnnpack/operator.h
+++ b/src/xnnpack/operator.h
@@ -96,6 +96,7 @@
   xnn_operator_type_multiply_nd_qs8,
   xnn_operator_type_multiply_nd_qu8,
   xnn_operator_type_negate_nc_f32,
+  xnn_operator_type_prelu_nc_f16,
   xnn_operator_type_prelu_nc_f32,
   xnn_operator_type_resize_bilinear_nchw_f32,
   xnn_operator_type_resize_bilinear_nhwc_f32,