before setting IFM_AUTO, make sure it really exists.  If not, punt with IFM_10_T.  Also remove long dead fxp_phyname()
before setting IFM_AUTO, make sure it really exists.  If not, punt with
IFM_10_T.  Also remove long dead fxp_phyname()

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