src/soc: Remove unneeded include <arch/io.h>

Change-Id: I5a7b53a07fe6fd6121067dcec004e81eb284edbb
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32785
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/amd/stoneyridge/enable_usbdebug.c

@@ -17,7 +17,6 @@
 #define __SIMPLE_DEVICE__
 
 #include <stdint.h>
-#include <arch/io.h>
 #include <device/pci_ops.h>
 #include <device/pci_ehci.h>
 #include <device/pci_def.h>

src/soc/amd/stoneyridge/southbridge.c

@@ -15,7 +15,6 @@
 
 #include <console/console.h>
 
-#include <arch/io.h>
 #include <device/mmio.h>
 #include <bootstate.h>
 #include <cpu/x86/smm.h>