* sparcl-stub.c: include sparclite.h to get access to register

	* sparcl-stub.c:  include sparclite.h to get access to register
	fondling macros.
	* (trap_low):  Save and restore FP regs if necessary.  Also, clean
	up save and restore of debug unit regs.
	* (hard_trap_info):  Add more architecturally defined traps.
	* (set_debug_traps):  Only set FP disabled trap if FP is disabled.
	* (get_in_break_mode):  Clean up.  Get rid of calls to
	set_hw_breakpoint_trap().  Also, use write_asi macro
	* (handle_exception):  Clean up `g' and `G' commands.  Add `P'
	command.
	* (hw_breakpoint):  Why was this here!?  It's gone now...