* config.bfd (hppa*-*-osf*): Use bfd_name hppaosf for this

    * config.bfd (hppa*-*-osf*): Use bfd_name hppaosf for this
        configuration.
        (hppa*-*-*elf*): This configuration used hppa-elf now.

        * som.c: This file is also used for HOST_HPPAOSF.

        * targets.c (bfd_target_vector): Enable som_vec for HOST_HPPAOSF.

        * hosts/hppaosf.h: New host configuration file.

        * config/hppabsd.mt (SELECT_VECS): Add bfd_elf32_hppa_vec as
        BSD handles both SOM and ELF object files.

        * config/hppaosf.mh (HDEFINES): Delete.  No longer needed.
        (RANLIB): Doesn't do anything, define it to be "echo".

        * config/hppaosf.mt: New target makefile fragment for a PA running
        OSF1.