target/cris: Use generic cpu_list()

target/cris: Use generic cpu_list()

Before it's applied:

[gshan@gshan q]$ ./build/qemu-system-cris -cpu ?
Available CPUs:
  crisv8
  crisv9
  crisv10
  crisv11
  crisv17
  crisv32

After it's applied:

[gshan@gshan q]$ ./build/qemu-system-cris -cpu ?
Available CPUs:
  crisv10
  crisv11
  crisv17
  crisv32
  crisv8
  crisv9

Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231114235628.534334-11-gshan@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>