hw/block/Kconfig: Replace selects with depends on

And delete VIRTIO_BLK_DATALINE.

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/isa/Kconfig: Delete ISA_MMIO

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
Kconfig: Remove Seabios comment

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/usb/Kconfig: Add the new USB_(O|U)HCI_(PCI|SYSBUS)

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/block/Kconfig: Select I8257 for FDC

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/ide/Kconfig: Select IDE_PCI instead IDE_QDEV in IDE_PIIX

Make IDE_PCI unselectable

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/ide/Kconfig: Make VIRTIO default

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/i386/Kconfig: Add i386 Kconfig

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>