* kernel: rollback to qemu versatile only

Signed-off-by: Dmitry Ponyatov <dponyatov@gmail.com>
* VFP versa -> cpu
* ps/2 mouse -> all
* versa serial
*...

Signed-off-by: Dmitry Ponyatov <dponyatov@gmail.com>
* fb font

Signed-off-by: Dmitry Ponyatov <dponyatov@gmail.com>