Use same c_diag_bg_mem_adrs_w for both low and high width.

libraries/base/diag/src/vhdl/diag_pkg.vhd

@@ -105,8 +105,9 @@ PACKAGE diag_pkg IS
   CONSTANT c_diag_bg_samples_per_packet_w : NATURAL := 16;   
   CONSTANT c_diag_bg_blocks_per_sync_w    : NATURAL := 24;   
   CONSTANT c_diag_bg_gapsize_w            : NATURAL := 16;
-  CONSTANT c_diag_bg_mem_low_adrs_w       : NATURAL := 16;  
-  CONSTANT c_diag_bg_mem_high_adrs_w      : NATURAL := 16;  
+  CONSTANT c_diag_bg_mem_adrs_w           : NATURAL := 16;  
+  CONSTANT c_diag_bg_mem_low_adrs_w       : NATURAL := c_diag_bg_mem_adrs_w;  
+  CONSTANT c_diag_bg_mem_high_adrs_w      : NATURAL := c_diag_bg_mem_adrs_w;
   CONSTANT c_diag_bg_bsn_init_w           : NATURAL := 64;
                                                           
   TYPE t_diag_block_gen IS RECORD