target/mips: Reduce CPUState scope when used with CPU_FOREACH() When possible, reduce CPUState variable scope. Prefer cpu_env(cpu) over &cpu->env. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com> Message-Id: <20260415215539.92629-8-philmd@linaro.org>