-Added tb_common_pulse_delay to regression test.

libraries/base/common/hdllib.cfg

@@ -211,6 +211,7 @@ regression_test_vhdl =
     tb/vhdl/tb_resize.vhd
     #tb/vhdl/tb_round.vhd           -- has no self verification yet
     tb/vhdl/tb_requantize.vhd
+    tb/vhdl/tb_common_pulse_delay.vhd
 
     tb/vhdl/tb_tb_common_adder_tree.vhd
     tb/vhdl/tb_tb_common_add_sub.vhd