cxl/mem: Trace Memory Module Event Record

CXL rev 3.0 section 8.2.9.2.1.3 defines the Memory Module Event Record.

Determine if the event read is memory module record and if so trace the
record.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20221216-cxl-ev-log-v7-5-2316a5c8f7d8@intel.com


Signed-off-by: Dan Williams <dan.j.williams@intel.com>