target/arm: Reduce arm_cpu_post_init() declaration scope arm_cpu_post_init() is only used within the same file unit. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20250623121845.7214-3-philmd@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>