sb/intel/common: Move SMBus register layout outside header

Change-Id: I841cc3bd636414c59af15d64d3f96b9be158af98
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38231
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/southbridge/intel/common/smbus.c b/src/southbridge/intel/common/smbus.c
index d253ae7..b54f1d7 100644
--- a/src/southbridge/intel/common/smbus.c
+++ b/src/southbridge/intel/common/smbus.c
@@ -22,15 +22,28 @@
 #include <device/smbus_host.h>
 #include <types.h>
 
-#include "smbus.h"
-
-
 #if CONFIG(DEBUG_SMBUS)
 #define dprintk(args...) printk(BIOS_DEBUG, ##args)
 #else
 #define dprintk(args...) do {} while (0)
 #endif
 
+/* SMBus register offsets. */
+#define SMBHSTSTAT		0x0
+#define SMBHSTCTL		0x2
+#define SMBHSTCMD		0x3
+#define SMBXMITADD		0x4
+#define SMBHSTDAT0		0x5
+#define SMBHSTDAT1		0x6
+#define SMBBLKDAT		0x7
+#define SMBTRNSADD		0x9
+#define SMBSLVDATA		0xa
+#define SMLINK_PIN_CTL		0xe
+#define SMBUS_PIN_CTL		0xf
+#define SMBSLVCMD		0x11
+
+#define SMB_RCV_SLVA		SMBTRNSADD
+
 /* I801 command constants */
 #define I801_QUICK		(0 << 2)
 #define I801_BYTE		(1 << 2)