[PATCH 39/57][Arm][OBJDUMP] Add support for MVE instructions: vpt, vpst and vcmp

[PATCH 39/57][Arm][OBJDUMP] Add support for MVE instructions: vpt, vpst and vcmp

opcodes/ChangeLog:
2019-05-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
	    Michael Collison <michael.collison@arm.com>

	* arm-dis.c (enum mve_instructions): Add new instructions.
	(enum mve_unpredictable): Add new values.
	(mve_opcodes): Add new instructions.
	(vec_condnames): New array with vector conditions.
	(mve_predicatenames): New array with predicate suffixes.
	(mve_vec_sizename): New array with vector sizes.
	(enum vpt_pred_state): New enum with vector predication states.
	(struct vpt_block): New struct type for vpt blocks.
	(vpt_block_state): Global struct to keep track of state.
	(mve_extract_pred_mask): New helper function.
	(num_instructions_vpt_block): Likewise.
	(mark_outside_vpt_block): Likewise.
	(mark_inside_vpt_block): Likewise.
	(invert_next_predicate_state): Likewise.
	(update_next_predicate_state): Likewise.
	(update_vpt_block_state): Likewise.
	(is_vpt_instruction): Likewise.
	(is_mve_encoding_conflict): Add entries for new instructions.
	(is_mve_unpredictable): Likewise.
	(print_mve_unpredictable): Handle new cases.
	(print_instruction_predicate): Likewise.
	(print_mve_size): New function.
	(print_vec_condition): New function.
	(print_insn_mve): Handle vpt blocks and new print operands.