GitLab

	* elf64-ppc.c (ppc64_elf_size_stubs): Default shared libs to
	plt-thread-safe.
gold/
	* powerpc.cc (Target_powerpc::do_relax): Default shared libs to
	plt-thread-safe.
ld/testsuite/
	* ld-powerpc/tlsso.d: Adjust for plt-thread-safe stubs.
	* ld-powerpc/tlsso.g: Likewise.
	* ld-powerpc/tlsso.r: Likewise.
	* ld-powerpc/tlstocso.d: Likewise.
	* ld-powerpc/tlstocso.g: Likewise.