使能GICv4.1概率性丢失IPI中断

在使能GICv4.1的情况下，概率性丢失IPI中断，原因是GICR中残留VPE的配置，在某些情况下会导致产生中断，但由于GICR中VPE残留配置，导致VCPU不去处理中断。

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GICv4.1模式
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多次执行kvm-unit-tests的micro-bench测试都能触发ipi中断，
执行命令./arm-run arm/micro-bench.flat -smp 4 -append smp