hw: Do not include "exec/ioport.h" if it is not necessary

Code change produced with:
    $ git grep '#include "exec/ioport.h"' hw | \
      cut -d: -f-1 | \
      xargs egrep -Li "(portio|cpu_(in|out).\()" | \
      xargs sed -i.bak '/#include "exec\/ioport.h"/d'

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180528232719.4721-11-f4bug@amsat.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum<marcel.apfelbaum@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/acpi/pcihp.c

@@ -32,7 +32,6 @@
 #include "hw/pci/pci.h"
 #include "hw/acpi/acpi.h"
 #include "sysemu/sysemu.h"
-#include "exec/ioport.h"
 #include "exec/address-spaces.h"
 #include "hw/pci/pci_bus.h"
 #include "qapi/error.h"

hw/acpi/piix4.c

@@ -28,7 +28,6 @@
 #include "sysemu/sysemu.h"
 #include "qapi/error.h"
 #include "qemu/range.h"
-#include "exec/ioport.h"
 #include "hw/nvram/fw_cfg.h"
 #include "exec/address-spaces.h"
 #include "hw/acpi/piix4.h"