acpi_slp_type is defined in arch/acpi.h, so let's use that instead of manually spreading extern u8 acpi_slp_type throughout the code. Change-Id: Ia5eb420364c15ab5a764bc328bbd201ca9cb7837 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/714 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>