intel boards: Use acpi_is_wakeup_s3()

Change-Id: Icab0aeb2d5bf19b4029ca29b8a1e7564ef59a538
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6071
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index e052150..7629895 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -431,7 +431,7 @@
 	u8 reg8;
 #endif
 
-	if (acpi_slp_type != 3) {
+	if (!acpi_is_wakeup_s3()) {
 #if ENABLE_ACPI_MODE_IN_COREBOOT
 		printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n");
 		outb(0xe1, 0xb2); // Enable ACPI mode