[Crash-utility] [PATCH] Add support lockless printk ringbuffer

Kernel 5.10 introduce new lockless printk ringbuffer. This patch dump the new log record, with: 1. treat caller_id as dict info 2. no dev_info support, because no user yet 3. only 5.10 finalized format, not intermit impl in git-tree This patch unified vmcore & symbol version: 1. vmcore version pre-read prb ptr value 2. pass desired readmem addrtype https://github.com/crash-utility/crash/pull/71