avr.c (avr_base_arch_macro, [...]): Remove variables.

	* config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
	avr_have_mul_p, avr_asm_only_p): Remove variables.
	(avr_override_options): Remove initialization of removed variables.
	(avr_file_start):  Convert removed variables to fields of 
	'struct base_arch_s *avr_current_arch'. 
	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
	(AVR_HAVE_MUL): (Ditto.).
	(AVR_HAVE_MOVW): (Ditto.).
	(AVR_HAVE_LPMX): (Ditto.). 
	(avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
	avr_asm_only_p): Remove declaration.

From-SVN: r135396