added dp_offload_rx_filter and its tb

libraries/base/dp/hdllib.cfg

@@ -109,6 +109,7 @@ synth_files =
     src/vhdl/dp_field_blk.vhd
 
     src/vhdl/dp_offload_tx.vhd
+    src/vhdl/dp_offload_rx_filter.vhd
     src/vhdl/dp_offload_rx.vhd
     src/vhdl/dp_deinterleave.vhd
     src/vhdl/dp_reinterleave.vhd
@@ -212,7 +213,7 @@ test_bench_files =
     tb/vhdl/tb_tb_dp_sync_checker.vhd
     
     tb/vhdl/tb_tb_tb_dp_backpressure.vhd
-
+		tb/vhdl/tb_dp_offload_rx_filter.vhd
 
 [modelsim_project_file]