Help: ICE_KEYS_MGTDUMP

Dumps debug info to the screen for specific GigaBit Transceivers.

Dumps debug info to the screen for specific GigaBit Transceivers.
If dmac>0 uses dump_mgt, if dmac<0 uses dump_rio
  dmac>0:  0=CB-PCIe 10=CB-PMs 11=PM1-CB 12=PM2-CB
  dmac<0:  10=CB-PMs 11=PM1-CB 12=PM2-CB