* cpu-hppa.c (arch_info_struct): Support both PA1.0 and PA1.1

	* cpu-hppa.c (arch_info_struct): Support both PA1.0 and PA1.1
	machine types.
	(bfd_hppa_arch): Link in both PA1.0 and PA1.1 architecture info
	structures.
	* libhppa.h (enum pa_arch): New enumeration to describe the
	different variants of the PA architecture.
	* som.c (som_object_setup): Use new enumeration to set machine
	type.
	(som_finish_writing): If the machine type is PA1.1, then use the
	PA1.1 machine identifier in the output file.