* config/m88k/delta88.mh: Fix comment. * config/m88k/tm-delta88.h: Remove unused BCS define. * config/m88k/{tm-delta88v4.h,xm-delta88v4.h,nm-delta88v4.h}: New files. * configure.in: Recognize m88*-motorola-sysv4*. * m88k-nat.c: Always include sys/types.h; don't depend on USG.