cxl/test: Add Secure Erase opcode support

Add support to emulate the CXL the "Secure Erase" operation.

Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20230612181038.14421-8-dave@stgolabs.net


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