HP800_THREAD_STATE_COUNT to TRACE_FLAVOR_SIZE.
* configure.in: hppa*-*-osf* != hppa*-*-bsd* anymore. * config/pa/hppaosf.mh: New file. * config/pa/nm-hppao.h: Likewise. * hppam3-nat.c: Likewise. * config/pa/tm-hppao.h (PSW_SS): Define for single-stepping. (MACHINE_CPROC_*_OFFSET): Define. (TRACE_*): Define. (START_INFERIOR_TRAPS_EXPECTED): Delete definition.