here from config/i386/xm-i386mach.h, fix name.
* config/i386/nm-sun386.h: Ditto, from config/i386/xm-sun386.h.
* config/i386/nm-ptx4.h (CHILD_PREPARE_TO_STORE): Move to
here from config/i386/xm-ptx4.h.
* config/i386/nm-ptx4.h: Ditto, from config/i386/xm-ptx.h.
* config/i386/nm-symmetry.h: Ditto, from config/i386/xm-symmetry.h.
* config/m68k/nm-sun3.h: Ditto, from config/m68k/xm-sun3.h.
more housekeeping
config files moved to an appropriate config/<cpu> subdirectory.
* nm-*, xm-*, tm-*: All native, host, and target files, which
get linked to nm.h, xm.h, and tm.h respectively by configure,
moved to appropriate config/<cpu> subdirectory.