Renamed in sys/dev/ic: i4b_hscx.c -> hscx.c i4b_hscx.h -> hscx.h i4b_ipac.h -> ipac.h i4b_isac.c -> isac.c i4b_isac.h -> isac.h i4b_isic.c -> isic.c i4b_isicbchan.c -> isic_bchan.c i4b_isicl1.c -> isic_l1.c i4b_isicl1.h -> isic_l1.h i4b_isicl1fsm.c -> isic_l1fsm.c