Without the fix in the previous patch the JSON data from QEMU would be
interpreted as Haswell-noTSX because x86DataFilterTSX would filter rtm
and hle features as a result of

    family == 6 && model == 63 && stepping < 4

test even though this CPU has stepping == 4.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>