The v7-M core is specific to the Aspeed 10x0 series, remove it from the common AspeedSoCState. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>