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

[samuelliao(廖生苗)]

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

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