Added pll to simulation

IP/gw_pllvr/gw_pllvr_tmp.v

@@ -0,0 +1,18 @@
+//Copyright (C)2014-2025 Gowin Semiconductor Corporation.
+//All rights reserved.
+//File Title: Template file for instantiation
+//Tool Version: V1.9.12
+//Part Number: GW1NSR-LV4CQN48PC7/I6
+//Device: GW1NSR-4C
+//Created Time: Wed Oct  1 13:08:32 2025
+
+//Change the instance name and port connections to the signal names
+//--------Copy here to design--------
+
+    gw_pllvr your_instance_name(
+        .clkout(clkout), //output clkout
+        .reset(reset), //input reset
+        .clkin(clkin) //input clkin
+    );
+
+//--------Copy end-------------------