(GOT): Define.
* emultempl/ppc64elf.em (stub_added): New static var.
(ppc_create_output_section_statements): Call ppc64_elf_init_stub_bfd.
(ppc_add_stub_section): Set stub_added.
(gld${EMULATION_NAME}_finish): Look for .got rather than .toc. Adjust
ppc64_elf_size_stubs call and test for stubs.
* scripttempl/elf.sc (GOT): Define and use.
The files in this directory are sourced by genscripts.sh, after setting some variables to substitute in, to produce C source files that contain jump tables for each emulation.