src: Drop unused 'include <device/pciexp.h>'

Change-Id: I9b4d72116a66d5a256659fa82682497ef3481e77
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31924
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/device/pci_class.c

@@ -17,7 +17,6 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ops.h>
-#include <device/pciexp.h>
 #include <device/pci_ids.h>
 #include <stdlib.h>
 

src/soc/intel/broadwell/serialio.c

@@ -19,7 +19,6 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
-#include <device/pciexp.h>
 #include <device/pci_ids.h>
 #include <stdlib.h>
 #include <soc/iobp.h>

src/southbridge/intel/common/pciehp.c

@@ -19,7 +19,7 @@
 #include <arch/acpigen.h>
 #include <device/device.h>
 #include <device/pci.h>
-#include <device/pciexp.h>
+
 #include "pciehp.h"
 
 void intel_acpi_pcie_hotplug_generator(u8 *hotplug_map, int port_number)

src/southbridge/intel/lynxpoint/serialio.c

@@ -20,7 +20,6 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
-#include <device/pciexp.h>
 #include <device/pci_ids.h>
 #include <stdlib.h>
 #include "pch.h"