* emultempl/spuelf.em (_binary_builtin_ovl_mgr_start): Rename

	* emultempl/spuelf.em (_binary_builtin_ovl_mgr_start): Rename
	to _binary_spu_ovl_o_start.
	(_binary_builtin_ovl_mgr_end): Rename to _binary_spu_ovl_o_end.
	(spu_elf_load_ovl_mgr): Fatal error on missing overlay manager.
	* emultempl/spu_inc.s: Rename symbols.
	* emultempl/spu_none.s: New file.
	* emultempl/spu_ovl.S: Update copyright.
	* Makefile.am (spu_inc.o): Try building with ld -r first, then
	gas incbin, then build without overlay manager.
	* Makefile.in: Regenerate.