[OLK-5.10] ARM: 9142/1: kasan: work around LPAE build warning

memcpy 传入的参数类型不一致，产生编译告警
memcpy 需要的参数是void *类型，但是当前传入的是unsigned long类型，虽然大小一致，但是参数类型不一致，
因此进行了一次强制转换

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