arch/io.h: Drop includes in fam10 romstages

These files suffer from .c includes.

Change-Id: Id836595290922fcbd108a5ed576fc640b2530711
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31696
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/amd/amd8111/amd8111_smbus.h

@@ -11,6 +11,7 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/io.h>
 #include <device/smbus_def.h>
 
 #define SMBGSTATUS 0xe0

src/southbridge/amd/amd8111/early_ctrl.c

@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/io.h>
 #include <device/pci_ids.h>
 #include <reset.h>
 #include <southbridge/amd/common/reset.h>

src/southbridge/amd/amd8111/early_smbus.c

@@ -11,6 +11,7 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/io.h>
 #include <device/pci_ops.h>
 #include "amd8111_smbus.h"
 

src/southbridge/amd/sb800/early_setup.c

@@ -16,6 +16,7 @@
 #ifndef _SB800_EARLY_SETUP_C_
 #define _SB800_EARLY_SETUP_C_
 
+#include <arch/io.h>
 #include <reset.h>
 #include <southbridge/amd/common/amd_defs.h>
 #include <southbridge/amd/common/reset.h>