Added useful c_diag_seq_tx_reg_* setting constants.

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

@@ -171,6 +171,10 @@ PACKAGE diag_pkg IS
     rx_stat   : STD_LOGIC_VECTOR(c_word_w -1 DOWNTO 0);
   END RECORD;  
 
+  CONSTANT c_diag_seq_tx_reg_dis        : NATURAL := 0;
+  CONSTANT c_diag_seq_tx_reg_en_psrg    : NATURAL := 1;
+  CONSTANT c_diag_seq_tx_reg_en_cntr    : NATURAL := 3;
+  
   TYPE t_diag_seq_mm_reg_arr IS ARRAY (INTEGER RANGE <>) OF t_diag_seq_mm_reg;
   
 END diag_pkg;