* elf64-ppc.c (struct ppc_link_hash_table): Remove top_index. Modify

	* elf64-ppc.c (struct ppc_link_hash_table): Remove top_index.  Modify
	input_list.
	(ppc64_elf_link_hash_table_create): Init input_list here.
	(ppc64_elf_setup_section_lists): Remove code setting up input lists
	per output section.  Set toc_off for abs and other standard sections.
	(ppc64_elf_reinit_toc): Don't set elf_gp on input bfds lacking a toc.
	(ppc64_elf_next_input_section): Adjust for single input section list.
	Don't set toc_curr from input bfds that haven't set elf_gp.
	(group_sections): Adjust for single input section list.