Enables the EV7 OCLA.

  Format: OCLA ENABLE [/CPU=n][/RESET]

1    /CPU=n

  Specifies the CPU on which OCLA should be enabled.

  If /CPU is not specified, all active CPUs on the system are enabled.

2    /RESET

  Initializes the OCLA to known values. Under certain circumstances
  the OCLA might not be initialized properly when the system is
  powered on. For more information, see the SHOW REGISTER command.