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/ehci.c b/src/soc/intel/baytrail/ehci.c
index d4e2986..5d1a4d8 100644
--- a/src/soc/intel/baytrail/ehci.c
+++ b/src/soc/intel/baytrail/ehci.c
@@ -143,7 +143,7 @@
 	};
 
 	/* Don't reset controller in S3 resume path */
-	if (acpi_slp_type != 3)
+	if (!acpi_is_wakeup_s3())
 		reg_script_run_on_dev(dev, ehci_hc_reset);
 
 	/* Disable controller if ports are routed to XHCI */