mn10300-Info_howto_rel. Tweak reloc argument to be an
Elf32_Internal_Rela.
(USE_RELA): Define instead of USE_REL.
(elf_info_to_howto, elf_info_howto_rel): Corresponding changes.
(enum reloc_type): Add more reloc types.
(elf32_mn10300_howto_table): Update for new reloc types.
(elf32_mn10300_reloc_map): Update for new reloc types.
* reloc.c: Add some new relocs for the mn10300 series.
* bfd-in2.h, libbfd.h: Rebuilt.
Last week's reloc work.