* h8300-tdep.c (h8300_push_arguments): Remove. Substitute by...

	* h8300-tdep.c (h8300_push_arguments): Remove.  Substitute by...
	(h8300_push_dummy_call): ...this function.  Some minor optimization.
	(h8300_push_return_address): Remove.
	(h8300_gdbarch_init): Remove calls to
	set_gdbarch_deprecated_dummy_write_sp,
	set_gdbarch_deprecated_push_arguments and
	set_gdbarch_deprecated_push_return_address.
	Add call to set_gdbarch_push_dummy_call.