cw1200: Add SDD file for the Sagrad SG901-1091/1098 WLAN modules.

cw1200: Add SDD file for the Sagrad SG901-1091/1098 WLAN modules.

Sagrad has granted permission to redistribute this file, which contains
calibration and initialization tables for for their WLAN modules.

Please note that the cw1200 driver still requires firmware files, which
are separately licensed by ST-E.  When (if?) explicit permission is
obtained to redistribute the firmware, it will be added.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: Adam Harriman <adam@sagrad.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>