packet_filter: Changed the multithreaded filter application for single thread

- This will prevent system overload if too many threads need to be created

Signed-off-by: Istvan-Zsolt Szekely <istvan.szekely@analog.com>

Author: IstvanZsSzekely

common/sv/filter.sv

@@ -88,10 +88,7 @@ package filter_pkg;
     task apply_filter(input logic [7:0] packet[]);
       if (this.filter != null) begin
         for (int i=0; i<this.filter.size(); i++) begin
-          fork
-            automatic int j=i;
-            this.filter[j].apply_filter(packet);
-          join
+          this.filter[i].apply_filter(packet);
         end
         for (int i=0; i<this.filter.size(); i++) begin
           if (filter_type)
@@ -103,10 +100,7 @@ package filter_pkg;
 
       if (this.ft != null) begin
         for (int i=0; i<this.ft.size(); i++) begin
-          fork
-            automatic int j=i;
-            this.ft[j].apply_filter(packet);
-          join
+          this.ft[i].apply_filter(packet);
         end
         for (int i=0; i<this.ft.size(); i++) begin
           if (filter_type)