hw/intc/loongarch_extioi: Add reset support

Add reset support with extioi irqchip, and register reset callback
support with new API resettable_class_set_parent_phases(). Clear
internal HW registers and SW state when virt machine resets.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
2 files changed