arch/io.h: Drop unnecessary include

Change-Id: I91158452680586ac676ea11c8589062880a31f91
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31692
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/superio/ite/it8528e/superio.c

@@ -19,7 +19,6 @@
 
 #include <device/device.h>
 #include <device/pnp.h>
-#include <arch/io.h>
 #include <stdlib.h>
 #include <superio/conf_mode.h>
 

src/superio/ite/it8623e/superio.c

@@ -19,7 +19,6 @@
 #include <device/device.h>
 #include <device/pnp.h>
 #include <pc80/keyboard.h>
-#include <arch/io.h>
 #include <stdlib.h>
 #include <superio/conf_mode.h>
 #include <superio/ite/common/env_ctrl.h>

src/superio/ite/it8712f/superio.c

@@ -18,7 +18,6 @@
 #include <device/device.h>
 #include <device/pnp.h>
 #include <pc80/keyboard.h>
-#include <arch/io.h>
 #include <stdlib.h>
 #include <superio/conf_mode.h>
 

src/superio/ite/it8716f/superio.c

@@ -21,7 +21,6 @@
 #include <device/pnp.h>
 #include <console/console.h>
 #include <pc80/keyboard.h>
-#include <arch/io.h>
 #include <stdlib.h>
 #include <superio/conf_mode.h>
 

src/superio/ite/it8728f/superio.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <arch/io.h>
 #include <device/device.h>
 #include <device/pnp.h>
 #include <superio/conf_mode.h>

src/superio/ite/it8783ef/it8783ef.h

@@ -31,7 +31,6 @@
 #define IT8783EF_SP6	0x0b /* COM6 */
 #define IT8783EF_CIR	0x0c /* Consumer IR */
 
-#include <arch/io.h>
 #include <stdint.h>
 
 #endif /* SUPERIO_ITE_IT8783EF_H */