!3220 KVM: arm64: vtimer/virt_dev irq bypass support

Merge Pull Request from: @sundongx 
 
https://gitee.com/openeuler/kernel/issues/I8K8HP
https://gitee.com/openeuler/kernel/issues/I8K89F 
 
Link:https://gitee.com/openeuler/kernel/pulls/3220

 

Reviewed-by: Kevin Zhu <zhukeqian1@huawei.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>