bfd/

bfd/
	* elf64-ppc.c (ADDI_R12_R12, LD_R11_0R2, LD_R2_0R2): Define.
	Update stub comments.
	(build_plt_stub): Build two variants, one without "addis".
	(ppc_build_one_stub): Build stubs without "addis" if possible.
	(ppc_size_one_stub): Size new stubs.
ld/testsuite/
	* ld-powerpc/relbrlt.s (.text.pad2): Adjust space.
	* ld-powerpc/relbrlt.d: Update.
	* ld-powerpc/tlsexe.d: Update.
	* ld-powerpc/tlsexe.g: Update.
	* ld-powerpc/tlsexe.r: Update.
	* ld-powerpc/tlsexetoc.d: Update.
	* ld-powerpc/tlsexetoc.g: Update.
	* ld-powerpc/tlsexetoc.r: Update.
	* ld-powerpc/tlsso.d: Update.
	* ld-powerpc/tlsso.g: Update.
	* ld-powerpc/tlsso.r: Update.
	* ld-powerpc/tlstocso.d: Update.
	* ld-powerpc/tlstocso.g: Update.