* elf-bfd.h (struct elf_link_hash_entry): Remove linker_section_pointer

	* elf-bfd.h (struct elf_link_hash_entry): Remove linker_section_pointer
	field.
	(enum elf_linker_section_enum): Delete.
	(struct elf_linker_section): Delete.
	(struct elf_linker_section_pointers): Delete.
	(struct elf_obj_tdata): Remove #if 0 chunk.  Remove linker_section.
	Make linker_section_pointers a void**.
	(elf_local_ptr_offsets, elf_linker_section): Don't define.
	* elf32-ppc.c (enum elf_linker_section_enum): New, cut-down version
	of old item in elf-bfd.h.
	(struct elf_linker_section): Likewise.
	(struct elf_linker_section_pointers): Likewise.
	(elf_local_ptr_offsets): Define.
	(struct ppc_elf_link_hash_entry): Add linker_section_pointer.
	(ppc_elf_link_hash_newfunc): Init it.
	(struct ppc_elf_link_hash_table): Add sbss.
	(ppc_elf_link_hash_table_create): zmalloc rather than clearing
	individual fields.
	(elf_create_linker_section): Fold into..
	(ppc_elf_create_linker_section): ..here.  Remove hole_size code.
	Make rela section here if shared.
	(elf_find_pointer_linker_section): Pass lsect rather than enum.
	(elf_create_pointer_linker_section): Adjust.  zalloc rather than
	clearing in a loop.
	(elf_finish_pointer_linker_section): Adjust.  Don't make rela
	section here.
	(ppc_elf_check_relocs): Adjust.
	(ppc_elf_add_symbol_hook): Tighten hash creator test.  Remove code
	creating .sbss by hand.
	* elf.c (_bfd_elf_link_hash_newfunc): Adjust.