scoreboard: Fixed stream clearing and relation with the subscriber class

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

Author: IstvanZsSzekely

library/drivers/common/scoreboard.sv

@@ -65,9 +65,7 @@ package scoreboard_pkg;
           this.byte_stream.push_back(data.pop_front());
         end
 
-        if (this.scoreboard_ref.get_enabled()) begin
-          this.scoreboard_ref.compare_transaction();
-        end
+        this.scoreboard_ref.compare_transaction();
       endfunction: update
 
       function data_type get_data();
@@ -121,7 +119,7 @@ package scoreboard_pkg;
     // run task
     task run();
       this.enabled = 1;
-      
+      this.clear_streams();
       this.info($sformatf("Scoreboard enabled"), ADI_VERBOSITY_MEDIUM);
     endtask: run
 
@@ -132,10 +130,6 @@ package scoreboard_pkg;
       this.byte_streams_empty_sig = 1;
     endtask: stop
 
-    function bit get_enabled();
-      return this.enabled;
-    endfunction: get_enabled
-
     // set sink type
     function void set_sink_type(input bit sink_type);
       if (!this.enabled) begin
@@ -153,7 +147,7 @@ package scoreboard_pkg;
     // clear source and sink byte streams
     protected function void clear_streams();
       this.subscriber_source.clear_stream();
-      this.subscriber_source.clear_stream();
+      this.subscriber_sink.clear_stream();
     endfunction: clear_streams
 
     // wait until source and sink byte streams are empty, full check