Replace all register_ioport_*() with a MemoryRegion.
This permits to use the new Memory stuff like listeners.

Moreover, the PCI device is added as an argument for apm_init(),
so we can register IO inside the PCI IO address space.
Signed-off-by: NJulien Grall <julien.grall@citrix.com>
Acked-by: NAvi Kivity <avi@redhat.com>
[AF: Rebased onto hwaddr and q35]
Signed-off-by: NAndreas Färber <afaerber@suse.de>

Split out apm register emulation for acpi.c into apm.c.
The apm emulation will be used later.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>