We already define FIELD macros for ID_DFR0, so use them in the
one place where we're doing direct bit value manipulation.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200214175116.9164-8-peter.maydell@linaro.org
(cherry-picked from commit d52c061e541982a3663ad5c65bd3b518dbe85b87)
Signed-off-by: Peng Liang <liangpeng10@huawei.com>