tools/testing/nvdimm: add Intel DSM 1.8 support for nfit_test

Adding test support for new Intel DSM from v1.8. The ability of simulating
master passphrase update and master secure erase have been added to
nfit_test.

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