rename slavio_timer_init1 to slavio_timer_init and assign
it to slavio_timer_info.instance_init, then we drop the
SysBusDeviceClass::init
Signed-off-by: Nxiaoqiang zhao <zxq_yx_007@163.com>
Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>