The SDMC on the ast2500 has 170 registers.
Signed-off-by: NJoel Stanley <joel@jms.id.au>
Reviewed-by: NCédric Le Goater <clg@kaod.org>
Tested-by: NCédric Le Goater <clg@kaod.org>
Message-id: 20180807075757.7242-2-joel@jms.id.au
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>