include/

include/
	* dis-asm.h (disassemble_init_powerpc): Declare.
opcodes/
	* disassemble.c (disassemble_init_for_target): Handle ppc init.
	* ppc-dis.c (private): New var.
	(powerpc_init_dialect): Don't return calloc failure, instead use
	private.
	(PPC_OPCD_SEGS, PPC_OP_TO_SEG): Define.
	(powerpc_opcd_indices): New array.
	(disassemble_init_powerpc): New function.
	(print_insn_big_powerpc): Don't init dialect here.
	(print_insn_little_powerpc): Likewise.
	(print_insn_powerpc): Start search using powerpc_opcd_indices.