Added reference to dp_counter.vhd.

libraries/base/dp/src/vhdl/dp_block_gen.vhd

@@ -59,6 +59,8 @@
 --
 -- Remarks:
 -- . Ready latency (RL) = 1
+-- . Alternatively consider using dp_block_gen_valid_arr.vhd or
+--   dp_counter.vhd.
 
 
 LIBRARY IEEE, common_lib;

libraries/base/dp/src/vhdl/dp_block_gen_valid_arr.vhd

@@ -124,6 +124,7 @@
 --   - dp_block_gen.vhd when snk_in.valid is used for flow control (so when
 --     g_use_src_in=FALSE). This is why thsi dp_block_gen_valid_arr is called
 --     with '_valid' in its name.
+--   - dp_counter.vhd
 --   - dp_paged_sop_eop_reg.vhd
 --   - dp_fifo_info.vhd
 --   - dp_sync_checker.vhd