bfd/

bfd/
	* elf32-spu.c (struct spu_link_hash_table): Add fromelem_size_log2.
	(spu_elf_setup): Initialize it.
	(spu_elf_size_stubs): Move .ovtab into .bss for software i-cache.
	Update to new-sytle cache manager data structures.
	(spu_elf_build_stubs): Generate new-style cache manager data
	structures and symbols.
	(spu_elf_auto_overlay): Update size computation.

ld/testsuite/
	* ld-spu/icache1.d: Update all addresses to accomodate icache
	buffer shifted down 0x800 bytes.