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/soc/intel/baytrail/refcode.c b/src/soc/intel/baytrail/refcode.c
index 019e0a5..12e3ed4 100644
--- a/src/soc/intel/baytrail/refcode.c
+++ b/src/soc/intel/baytrail/refcode.c
@@ -29,15 +29,6 @@
 #include <baytrail/ramstage.h>
 #include <baytrail/efi_wrapper.h>
 
-static inline int is_s3_resume(void)
-{
-#if CONFIG_HAVE_ACPI_RESUME
-	return acpi_slp_type == 3;
-#else
-	return 0;
-#endif
-}
-
 static inline struct ramstage_cache *next_cache(struct ramstage_cache *c)
 {
 	return (struct ramstage_cache *)&c->program[c->size];
@@ -140,7 +131,7 @@
 	};
 	int ret;
 
-	if (is_s3_resume()) {
+	if (acpi_is_wakeup_s3()) {
 		return load_refcode_from_cache();
 	}