cxl/test: Update test code for event records to CXL spec rev 3.1

Update test code for General Media, DRAM, Memory Module Event
Records to CXL spec rev 3.1.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Link: https://patch.msgid.link/20250111091756.1682-7-shiju.jose@huawei.com


Signed-off-by: Dave Jiang <dave.jiang@intel.com>