* elf64-ppc.c (enum _ppc64_sec_type): New.

	* elf64-ppc.c (enum _ppc64_sec_type): New.
	(struct _ppc64_elf_section_data): Move "t_symndx" into opd union,
	and rename fields.  Add sec_type and has_14bit_branch.
	(struct ppc_link_hash_table): Remove has_14bit_branch.
	(get_opd_info, get_tls_mask, ppc64_elf_edit_opd): Adjust.
	(ppc64_elf_relocate_section): Likewise.
	(ppc64_elf_check_relocs): Likewise.  Set per-section has_14bit_branch.
	(ppc64_elf_size_stubs): Don't set default group size here.
	(group_sections): Instead do so here, and group sections using
	their individual requirements.