hw/mips/loongson3_virt: Pass CPU argument to get_cpu_freq_hz() Pass the first vCPU as argument, allowing to remove another &first_cpu global use. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20250115232952.31166-5-philmd@linaro.org>