Under system emulation, xtensa_cpu_initfn() calls
memory_region_init_io(), itself declared in "exec/memory.h".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217172907.8364-10-philmd@linaro.org>