aspeed/smc: define registers for all possible CS

The model should expose one control register per possible CS. When
testing the validity of the register number in the read operation,
replace 's->num_cs' by 'ctrl->max_slaves' which represents the maximum
number of flash devices a controller can handle.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190124140519.13838-3-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 file changed