accel/tcg: Move mttcg warning to tcg_init_machine

Delay the warning to tcg_init_machine, because we will
have resolved the CPUClass at that point.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed