Some PHYs like the Level One LXT970 optionally can default to isolation after rest, in which case we may need to deisolate it. Tested by:	nwhitehorn
Some PHYs like the Level One LXT970 optionally can default to isolation
after rest, in which case we may need to deisolate it.
Tested by:	nwhitehorn

MFC after	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase