DT_MIPS_LIBLIST or DT_MIPS_CONFLICT entries.
(_bfd_mips_elf_finish_dynamic_symbol): Don't handle them. Don't
handle DT_MIPS_MSYM. Set DT_RELSZ based on the number of relocations
that were needed.
(_bfd_mips_elf_modify_segment_map): Fix placement of PT_MIPS_OPTIONS.
(_bfd_mips_elf_merge_private_bfd_data): Ignore EF_MIPS_UCODE.