ACPICA: Fix typo in CDAT DSMAS struct definition

ACPICA commit 9d8bd58d5f3495ce76d1b9767ec0b92251cbc366

Link: https://github.com/acpica/acpica/commit/9d8bd58d5f34
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>