arate chip selects)

These devices are not sampling yet, but they are expected to be very
similar to S25FL256S, which has been tested.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Ä#Ý«œ#x