mb/lenovo/*/smihandler: Remove unused include

All usage of pci_read_config8 was removed in commit d44d4f0f with
Change-Id Ia959eb5b747846048396e66d4c926c96c27f3878 ("mb/lenovo/*:
Remove useless smihandler code"). So we don't need this include anymore.

Change-Id: Ic4f038c80e17799016ae7e92a5675cfe7c71e400
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

src/mainboard/lenovo/t420s/smihandler.c

@@ -16,7 +16,6 @@
  */
 
 #include <arch/io.h>
-#include <device/pci_ops.h>
 #include <console/console.h>
 #include <cpu/x86/smm.h>
 #include <ec/acpi/ec.h>

src/mainboard/lenovo/t430s/smihandler.c

@@ -16,7 +16,6 @@
  */
 
 #include <arch/io.h>
-#include <device/pci_ops.h>
 #include <console/console.h>
 #include <cpu/x86/smm.h>
 #include <ec/acpi/ec.h>

src/mainboard/lenovo/t520/smihandler.c

@@ -16,7 +16,6 @@
  */
 
 #include <arch/io.h>
-#include <device/pci_ops.h>
 #include <console/console.h>
 #include <cpu/x86/smm.h>
 #include <ec/acpi/ec.h>

src/mainboard/lenovo/t530/smihandler.c

@@ -16,7 +16,6 @@
  */
 
 #include <arch/io.h>
-#include <device/pci_ops.h>
 #include <console/console.h>
 #include <cpu/x86/smm.h>
 #include <ec/acpi/ec.h>

src/mainboard/lenovo/x220/smihandler.c

@@ -16,7 +16,6 @@
  */
 
 #include <arch/io.h>
-#include <device/pci_ops.h>
 #include <console/console.h>
 #include <cpu/x86/smm.h>
 #include <ec/acpi/ec.h>