fix support for 82543GC. as per intel driver acrds <=82543 need to have their phy reset before detection. problem spotted by merdely@, fixed thanks to deraadt@ sending me his 82543GC :)
fix support for 82543GC. as per intel driver acrds <=82543 need to have their
phy reset before detection. problem spotted by merdely@, fixed thanks to
deraadt@ sending me his 82543GC :)

tested by merdely@, claudio@ and me
ok by claudio@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars