MFC: 182874 bge_tick(): do not touch PHY if link is up. This should solve problem with extra input errors for some BCM57XX chips.
MFC: 182874
bge_tick(): do not touch PHY if link is up. This should solve problem with
extra input errors for some BCM57XX chips.

PR:		kern/122295
Approved by:	re (kensmith)

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