add to hdllib.cfg

libraries/base/common/hdllib.cfg

@@ -128,6 +128,8 @@ synth_files =
     src/vhdl/common_bit_delay.vhd
     src/vhdl/common_delay.vhd
     src/vhdl/common_shiftram.vhd
+
+    src/vhdl/common_variable_delay.vhd
     
     src/vhdl/mms_common_reg.vhd
     src/vhdl/mms_common_stable_monitor.vhd
@@ -186,6 +188,7 @@ test_bench_files =
     tb/vhdl/tb_common_transpose.vhd
     tb/vhdl/tb_common_transpose_symbol.vhd
     tb/vhdl/tb_common_zip.vhd
+    tb/vhdl/tb_common_variable_delay.vhd
     tb/vhdl/tb_requantize.vhd
     tb/vhdl/tb_resize.vhd
     tb/vhdl/tb_round.vhd