add shell command to disable SFP laser
Commit 0e8b222 adds a new shell command sfp ena. It can be used to disable/enable transmitting laser in the SFP and therefore be used for link up/down tests of a device using WR PTP Core.
Commit 0e8b222 adds a new shell command sfp ena. It can be used to disable/enable transmitting laser in the SFP and therefore be used for link up/down tests of a device using WR PTP Core.