hw/pc.c: add ULL suffix in ioport80_read and ioportF0_read return value

The commit c02e1eac887b1b0aee7361b1fcf889e7d47fed9d broke the compilation
for i386. ULL need to be specify for uint64_t value.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
sun4u: Create VGA card after ISA bus

This prepares for changes to VGA I/O port registration.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
xen_platform: Do not use old_portio-style callbacks

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>