southbridge/intel/ibexpeak: use common Intel ACPI hardware definitions

Transition to using the common Intel ACPI hardware definitions
generic ACPI definitions.

BUG=chrome-os-partner:54977

Change-Id: I65270ddcb612f9c63d7dbb2409e4395f96e10a51
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15677
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/southbridge/intel/ibexpeak/pch.h b/src/southbridge/intel/ibexpeak/pch.h
index 07127fa..6c694fd 100644
--- a/src/southbridge/intel/ibexpeak/pch.h
+++ b/src/southbridge/intel/ibexpeak/pch.h
@@ -17,6 +17,8 @@
 #ifndef SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
 #define SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
 
+#include <arch/acpi.h>
+
 /* PCH types */
 #define PCH_TYPE_CPT	   0x1c /* CougarPoint */
 #define PCH_TYPE_PPT	   0x1e /* IvyBridge */
@@ -449,13 +451,6 @@
 #define   GBL_EN	(1 << 5)
 #define   TMROF_EN	(1 << 0)
 #define PM1_CNT		0x04
-#define   SLP_EN	(1 << 13)
-#define   SLP_TYP	(7 << 10)
-#define    SLP_TYP_S0	0
-#define    SLP_TYP_S1	1
-#define    SLP_TYP_S3	5
-#define    SLP_TYP_S4	6
-#define    SLP_TYP_S5	7
 #define   GBL_RLS	(1 << 2)
 #define   BM_RLD	(1 << 1)
 #define   SCI_EN	(1 << 0)