ACD_Hld: ACD high-level discriminator (CNO) register settings

• Registers:
  

  Group	Register Name	Instances	Multiplicity	Subsections	Type	Width (bits)
  AFE	hld_dac	12 x 18	1	1	int	6

• Methods: BCAST or SETTINGS
  SETTINGS uses an ancillary file to set all the registers.
• Ancillary files:
  ACD_HldSettings.