Merge pull request #55449 from xxhdx1985126/wip-seastore-extent-chksum

crimson/os/seastore: support extent checksum verification

Reviewed-by: Yingxin Cheng <yingxin.cheng@intel.com>
Reviewed-by: Chunmei Liu <chunmei.liu@intel.com>

diff --cc src/test/crimson/seastore/test_object_data_handler.cc
Simple merge