0xFFFFFFFF should be returned for non implemented registers.
Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190124140519.13838-2-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>